19484388

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 180

約数和(自身を含む): 64886976

約数和(自身を除く): 45402588

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 71, 77, 81, 84, 99, 108, 121, 126, 132, 142, 154, 162, 189, 198, 213, 231, 242, 252, 284, 297, 308, 324, 363, 378, 396, 426, 462, 484, 497, 567, 594, 639, 693, 726, 756, 781, 847, 852, 891, 924, 994, 1089, 1134, 1188, 1278, 1386, 1452, 1491, 1562, 1694, 1782, 1917, 1988, 2079, 2178, 2268, 2343, 2541, 2556, 2772, 2982, 3124, 3267, 3388, 3564, 3834, 4158, 4356, 4473, 4686, 5082, 5467, 5751, 5964, 6237, 6534, 7029, 7623, 7668, 8316, 8591, 8946, 9372, 9801, 10164, 10934, 11502, 12474, 13068, 13419, 14058, 15246, 16401, 17182, 17892, 19602, 21087, 21868, 22869, 23004, 24948, 25773, 26838, 28116, 30492, 32802, 34364, 39204, 40257, 42174, 45738, 49203, 51546, 53676, 60137, 63261, 65604, 68607, 77319, 80514, 84348, 91476, 98406, 103092, 120274, 126522, 137214, 147609, 154638, 161028, 180411, 196812, 231957, 240548, 253044, 274428, 295218, 309276, 360822, 442827, 463914, 541233, 590436, 695871, 721644, 885654, 927828, 1082466, 1391742, 1623699, 1771308, 2164932, 2783484, 3247398, 4871097, 6494796, 9742194, 19484388]

約数ペア:

[(1, 19484388), (2, 9742194), (3, 6494796), (4, 4871097), (6, 3247398), (7, 2783484), (9, 2164932), (11, 1771308), (12, 1623699), (14, 1391742), (18, 1082466), (21, 927828), (22, 885654), (27, 721644), (28, 695871), (33, 590436), (36, 541233), (42, 463914), (44, 442827), (54, 360822), (63, 309276), (66, 295218), (71, 274428), (77, 253044), (81, 240548), (84, 231957), (99, 196812), (108, 180411), (121, 161028), (126, 154638), (132, 147609), (142, 137214), (154, 126522), (162, 120274), (189, 103092), (198, 98406), (213, 91476), (231, 84348), (242, 80514), (252, 77319), (284, 68607), (297, 65604), (308, 63261), (324, 60137), (363, 53676), (378, 51546), (396, 49203), (426, 45738), (462, 42174), (484, 40257), (497, 39204), (567, 34364), (594, 32802), (639, 30492), (693, 28116), (726, 26838), (756, 25773), (781, 24948), (847, 23004), (852, 22869), (891, 21868), (924, 21087), (994, 19602), (1089, 17892), (1134, 17182), (1188, 16401), (1278, 15246), (1386, 14058), (1452, 13419), (1491, 13068), (1562, 12474), (1694, 11502), (1782, 10934), (1917, 10164), (1988, 9801), (2079, 9372), (2178, 8946), (2268, 8591), (2343, 8316), (2541, 7668), (2556, 7623), (2772, 7029), (2982, 6534), (3124, 6237), (3267, 5964), (3388, 5751), (3564, 5467), (3834, 5082), (4158, 4686), (4356, 4473)]