18829744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1871}}^1$

素因数の和:1933

約数の個数: 40

約数和(自身を含む): 39693888

約数和(自身を除く): 20864144

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 1871, 2516, 3742, 5032, 7484, 10064, 14968, 29936, 31807, 63614, 69227, 127228, 138454, 254456, 276908, 508912, 553816, 1107632, 1176859, 2353718, 4707436, 9414872, 18829744]

約数ペア:

[(1, 18829744), (2, 9414872), (4, 4707436), (8, 2353718), (16, 1176859), (17, 1107632), (34, 553816), (37, 508912), (68, 276908), (74, 254456), (136, 138454), (148, 127228), (272, 69227), (296, 63614), (592, 31807), (629, 29936), (1258, 14968), (1871, 10064), (2516, 7484), (3742, 5032)]