19787008

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{2089}}^1$

素因数の和:2142

約数の個数: 36

約数和(自身を含む): 40583620

約数和(自身を除く): 20796612

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 592, 1184, 2089, 2368, 4178, 4736, 8356, 9472, 16712, 33424, 66848, 77293, 133696, 154586, 267392, 309172, 534784, 618344, 1236688, 2473376, 4946752, 9893504, 19787008]

約数ペア:

[(1, 19787008), (2, 9893504), (4, 4946752), (8, 2473376), (16, 1236688), (32, 618344), (37, 534784), (64, 309172), (74, 267392), (128, 154586), (148, 133696), (256, 77293), (296, 66848), (592, 33424), (1184, 16712), (2089, 9472), (2368, 8356), (4178, 4736)]