18849872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1873}}^1$

素因数の和:1935

約数の個数: 40

約数和(自身を含む): 39736296

約数和(自身を除く): 20886424

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 1873, 2516, 3746, 5032, 7492, 10064, 14984, 29968, 31841, 63682, 69301, 127364, 138602, 254728, 277204, 509456, 554408, 1108816, 1178117, 2356234, 4712468, 9424936, 18849872]

約数ペア:

[(1, 18849872), (2, 9424936), (4, 4712468), (8, 2356234), (16, 1178117), (17, 1108816), (34, 554408), (37, 509456), (68, 277204), (74, 254728), (136, 138602), (148, 127364), (272, 69301), (296, 63682), (592, 31841), (629, 29968), (1258, 14984), (1873, 10064), (2516, 7492), (3746, 5032)]