18440129372

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1\times {\mathrm{3539}}^1$

素因数の和:6242

約数の個数: 48

約数和(自身を含む): 37424540160

約数和(自身を除く): 18984410788

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 2621, 3539, 5242, 7078, 10484, 14156, 18347, 24773, 36694, 49546, 73388, 99092, 186091, 251269, 372182, 502538, 744364, 1005076, 1302637, 1758883, 2605274, 3517766, 5210548, 7035532, 9275719, 18551438, 37102876, 64930033, 129860066, 259720132, 658576049, 1317152098, 2634304196, 4610032343, 9220064686, 18440129372]

約数ペア:

[(1, 18440129372), (2, 9220064686), (4, 4610032343), (7, 2634304196), (14, 1317152098), (28, 658576049), (71, 259720132), (142, 129860066), (284, 64930033), (497, 37102876), (994, 18551438), (1988, 9275719), (2621, 7035532), (3539, 5210548), (5242, 3517766), (7078, 2605274), (10484, 1758883), (14156, 1302637), (18347, 1005076), (24773, 744364), (36694, 502538), (49546, 372182), (73388, 251269), (99092, 186091)]