19216912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 45122112

約数和(自身を除く): 25905200

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 176, 208, 227, 286, 296, 407, 454, 481, 572, 592, 814, 908, 962, 1144, 1628, 1816, 1924, 2288, 2497, 2951, 3256, 3632, 3848, 4994, 5291, 5902, 6512, 7696, 8399, 9988, 10582, 11804, 16798, 19976, 21164, 23608, 32461, 33596, 39952, 42328, 47216, 64922, 67192, 84656, 92389, 109187, 129844, 134384, 184778, 218374, 259688, 369556, 436748, 519376, 739112, 873496, 1201057, 1478224, 1746992, 2402114, 4804228, 9608456, 19216912]

約数ペア:

[(1, 19216912), (2, 9608456), (4, 4804228), (8, 2402114), (11, 1746992), (13, 1478224), (16, 1201057), (22, 873496), (26, 739112), (37, 519376), (44, 436748), (52, 369556), (74, 259688), (88, 218374), (104, 184778), (143, 134384), (148, 129844), (176, 109187), (208, 92389), (227, 84656), (286, 67192), (296, 64922), (407, 47216), (454, 42328), (481, 39952), (572, 33596), (592, 32461), (814, 23608), (908, 21164), (962, 19976), (1144, 16798), (1628, 11804), (1816, 10582), (1924, 9988), (2288, 8399), (2497, 7696), (2951, 6512), (3256, 5902), (3632, 5291), (3848, 4994)]