18409321996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{118681}}^1$

素因数の和:118874

約数の個数: 48

約数和(自身を含む): 36753441760

約数和(自身を除く): 18344119764

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 157, 247, 314, 494, 628, 988, 2041, 2983, 4082, 5966, 8164, 11932, 38779, 77558, 118681, 155116, 237362, 474724, 1542853, 2254939, 3085706, 4509878, 6171412, 9019756, 18632917, 29314207, 37265834, 58628414, 74531668, 117256828, 242227921, 354025423, 484455842, 708050846, 968911684, 1416101692, 4602330499, 9204660998, 18409321996]

約数ペア:

[(1, 18409321996), (2, 9204660998), (4, 4602330499), (13, 1416101692), (19, 968911684), (26, 708050846), (38, 484455842), (52, 354025423), (76, 242227921), (157, 117256828), (247, 74531668), (314, 58628414), (494, 37265834), (628, 29314207), (988, 18632917), (2041, 9019756), (2983, 6171412), (4082, 4509878), (5966, 3085706), (8164, 2254939), (11932, 1542853), (38779, 474724), (77558, 237362), (118681, 155116)]