19611344

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2139

約数の個数: 40

約数和(自身を含む): 41306880

約数和(自身を除く): 21695536

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2081, 2356, 4162, 4712, 8324, 9424, 16648, 33296, 39539, 64511, 79078, 129022, 158156, 258044, 316312, 516088, 632624, 1032176, 1225709, 2451418, 4902836, 9805672, 19611344]

約数ペア:

[(1, 19611344), (2, 9805672), (4, 4902836), (8, 2451418), (16, 1225709), (19, 1032176), (31, 632624), (38, 516088), (62, 316312), (76, 258044), (124, 158156), (152, 129022), (248, 79078), (304, 64511), (496, 39539), (589, 33296), (1178, 16648), (2081, 9424), (2356, 8324), (4162, 4712)]