18002030

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 33242400

約数和(自身を除く): 15240370

約数列:

[1, 2, 5, 10, 89, 113, 178, 179, 226, 358, 445, 565, 890, 895, 1130, 1790, 10057, 15931, 20114, 20227, 31862, 40454, 50285, 79655, 100570, 101135, 159310, 202270, 1800203, 3600406, 9001015, 18002030]

約数ペア:

[(1, 18002030), (2, 9001015), (5, 3600406), (10, 1800203), (89, 202270), (113, 159310), (178, 101135), (179, 100570), (226, 79655), (358, 50285), (445, 40454), (565, 31862), (890, 20227), (895, 20114), (1130, 15931), (1790, 10057)]