19357332016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{54421}}^1$

素因数の和:54530

約数の個数: 80

約数和(自身を含む): 42757406208

約数和(自身を除く): 23400074192

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 47, 86, 88, 94, 172, 176, 188, 344, 376, 473, 517, 688, 752, 946, 1034, 1892, 2021, 2068, 3784, 4042, 4136, 7568, 8084, 8272, 16168, 22231, 32336, 44462, 54421, 88924, 108842, 177848, 217684, 355696, 435368, 598631, 870736, 1197262, 2340103, 2394524, 2557787, 4680206, 4789048, 5115574, 9360412, 9578096, 10231148, 18720824, 20462296, 25741133, 28135657, 37441648, 40924592, 51482266, 56271314, 102964532, 109984841, 112542628, 205929064, 219969682, 225085256, 411858128, 439939364, 450170512, 879878728, 1209833251, 1759757456, 2419666502, 4839333004, 9678666008, 19357332016]

約数ペア:

[(1, 19357332016), (2, 9678666008), (4, 4839333004), (8, 2419666502), (11, 1759757456), (16, 1209833251), (22, 879878728), (43, 450170512), (44, 439939364), (47, 411858128), (86, 225085256), (88, 219969682), (94, 205929064), (172, 112542628), (176, 109984841), (188, 102964532), (344, 56271314), (376, 51482266), (473, 40924592), (517, 37441648), (688, 28135657), (752, 25741133), (946, 20462296), (1034, 18720824), (1892, 10231148), (2021, 9578096), (2068, 9360412), (3784, 5115574), (4042, 4789048), (4136, 4680206), (7568, 2557787), (8084, 2394524), (8272, 2340103), (16168, 1197262), (22231, 870736), (32336, 598631), (44462, 435368), (54421, 355696), (88924, 217684), (108842, 177848)]