18195233476

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 39192491520

約数和(自身を除く): 20997258044

約数列:

[1, 2, 4, 7, 14, 28, 29, 53, 58, 61, 106, 116, 122, 203, 212, 239, 244, 371, 406, 427, 478, 742, 812, 841, 854, 956, 1484, 1537, 1673, 1682, 1708, 1769, 3074, 3233, 3346, 3364, 3538, 5887, 6148, 6466, 6692, 6931, 7076, 10759, 11774, 12383, 12667, 12932, 13862, 14579, 21518, 22631, 23548, 24766, 25334, 27724, 29158, 43036, 44573, 45262, 48517, 49532, 50668, 51301, 58316, 88669, 89146, 90524, 93757, 97034, 102053, 102602, 177338, 178292, 187514, 194068, 200999, 204106, 205204, 312011, 354676, 359107, 367343, 375028, 401998, 408212, 422791, 624022, 656299, 718214, 734686, 772687, 803996, 845582, 1248044, 1312598, 1406993, 1436428, 1469372, 1545374, 1691164, 2571401, 2625196, 2718953, 2813986, 2959537, 3090748, 5142802, 5408809, 5437906, 5627972, 5919074, 10285604, 10652947, 10817618, 10875812, 11838148, 12260939, 19032671, 21305894, 21635236, 22407923, 24521878, 38065342, 42611788, 44815846, 49043756, 74570629, 76130684, 85826573, 89631692, 149141258, 156855461, 171653146, 298282516, 313710922, 343306292, 627421844, 649829767, 1299659534, 2599319068, 4548808369, 9097616738, 18195233476]

約数ペア:

[(1, 18195233476), (2, 9097616738), (4, 4548808369), (7, 2599319068), (14, 1299659534), (28, 649829767), (29, 627421844), (53, 343306292), (58, 313710922), (61, 298282516), (106, 171653146), (116, 156855461), (122, 149141258), (203, 89631692), (212, 85826573), (239, 76130684), (244, 74570629), (371, 49043756), (406, 44815846), (427, 42611788), (478, 38065342), (742, 24521878), (812, 22407923), (841, 21635236), (854, 21305894), (956, 19032671), (1484, 12260939), (1537, 11838148), (1673, 10875812), (1682, 10817618), (1708, 10652947), (1769, 10285604), (3074, 5919074), (3233, 5627972), (3346, 5437906), (3364, 5408809), (3538, 5142802), (5887, 3090748), (6148, 2959537), (6466, 2813986), (6692, 2718953), (6931, 2625196), (7076, 2571401), (10759, 1691164), (11774, 1545374), (12383, 1469372), (12667, 1436428), (12932, 1406993), (13862, 1312598), (14579, 1248044), (21518, 845582), (22631, 803996), (23548, 772687), (24766, 734686), (25334, 718214), (27724, 656299), (29158, 624022), (43036, 422791), (44573, 408212), (45262, 401998), (48517, 375028), (49532, 367343), (50668, 359107), (51301, 354676), (58316, 312011), (88669, 205204), (89146, 204106), (90524, 200999), (93757, 194068), (97034, 187514), (102053, 178292), (102602, 177338)]