18951664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2069

約数の個数: 40

約数和(自身を含む): 39918080

約数和(自身を除く): 20966416

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2011, 2356, 4022, 4712, 8044, 9424, 16088, 32176, 38209, 62341, 76418, 124682, 152836, 249364, 305672, 498728, 611344, 997456, 1184479, 2368958, 4737916, 9475832, 18951664]

約数ペア:

[(1, 18951664), (2, 9475832), (4, 4737916), (8, 2368958), (16, 1184479), (19, 997456), (31, 611344), (38, 498728), (62, 305672), (76, 249364), (124, 152836), (152, 124682), (248, 76418), (304, 62341), (496, 38209), (589, 32176), (1178, 16088), (2011, 9424), (2356, 8044), (4022, 4712)]