19021912

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 48988800

約数和(自身を除く): 29966888

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 29, 34, 52, 53, 56, 58, 68, 91, 104, 106, 116, 119, 136, 182, 203, 212, 221, 232, 238, 364, 371, 377, 406, 424, 442, 476, 493, 689, 728, 742, 754, 812, 884, 901, 952, 986, 1378, 1484, 1508, 1537, 1547, 1624, 1768, 1802, 1972, 2639, 2756, 2968, 3016, 3074, 3094, 3451, 3604, 3944, 4823, 5278, 5512, 6148, 6188, 6307, 6409, 6902, 7208, 9646, 10556, 10759, 11713, 12296, 12376, 12614, 12818, 13804, 19292, 19981, 21112, 21518, 23426, 25228, 25636, 26129, 27608, 38584, 39962, 43036, 44863, 46852, 50456, 51272, 52258, 79924, 81991, 86072, 89726, 93704, 104516, 139867, 159848, 163982, 179452, 182903, 209032, 279734, 327964, 339677, 358904, 365806, 559468, 655928, 679354, 731612, 1118936, 1358708, 1463224, 2377739, 2717416, 4755478, 9510956, 19021912]

約数ペア:

[(1, 19021912), (2, 9510956), (4, 4755478), (7, 2717416), (8, 2377739), (13, 1463224), (14, 1358708), (17, 1118936), (26, 731612), (28, 679354), (29, 655928), (34, 559468), (52, 365806), (53, 358904), (56, 339677), (58, 327964), (68, 279734), (91, 209032), (104, 182903), (106, 179452), (116, 163982), (119, 159848), (136, 139867), (182, 104516), (203, 93704), (212, 89726), (221, 86072), (232, 81991), (238, 79924), (364, 52258), (371, 51272), (377, 50456), (406, 46852), (424, 44863), (442, 43036), (476, 39962), (493, 38584), (689, 27608), (728, 26129), (742, 25636), (754, 25228), (812, 23426), (884, 21518), (901, 21112), (952, 19981), (986, 19292), (1378, 13804), (1484, 12818), (1508, 12614), (1537, 12376), (1547, 12296), (1624, 11713), (1768, 10759), (1802, 10556), (1972, 9646), (2639, 7208), (2756, 6902), (2968, 6409), (3016, 6307), (3074, 6188), (3094, 6148), (3451, 5512), (3604, 5278), (3944, 4823)]