19815328

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 46569600

約数和(自身を除く): 26754272

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 32, 38, 46, 52, 76, 92, 104, 109, 152, 184, 208, 218, 247, 299, 304, 368, 416, 436, 437, 494, 598, 608, 736, 872, 874, 988, 1196, 1417, 1744, 1748, 1976, 2071, 2392, 2507, 2834, 3488, 3496, 3952, 4142, 4784, 5014, 5668, 5681, 6992, 7904, 8284, 9568, 10028, 11336, 11362, 13984, 16568, 20056, 22672, 22724, 26923, 32591, 33136, 40112, 45344, 45448, 47633, 53846, 65182, 66272, 80224, 90896, 95266, 107692, 130364, 181792, 190532, 215384, 260728, 381064, 430768, 521456, 619229, 762128, 861536, 1042912, 1238458, 1524256, 2476916, 4953832, 9907664, 19815328]

約数ペア:

[(1, 19815328), (2, 9907664), (4, 4953832), (8, 2476916), (13, 1524256), (16, 1238458), (19, 1042912), (23, 861536), (26, 762128), (32, 619229), (38, 521456), (46, 430768), (52, 381064), (76, 260728), (92, 215384), (104, 190532), (109, 181792), (152, 130364), (184, 107692), (208, 95266), (218, 90896), (247, 80224), (299, 66272), (304, 65182), (368, 53846), (416, 47633), (436, 45448), (437, 45344), (494, 40112), (598, 33136), (608, 32591), (736, 26923), (872, 22724), (874, 22672), (988, 20056), (1196, 16568), (1417, 13984), (1744, 11362), (1748, 11336), (1976, 10028), (2071, 9568), (2392, 8284), (2507, 7904), (2834, 6992), (3488, 5681), (3496, 5668), (3952, 5014), (4142, 4784)]