18068506

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 29877120

約数和(自身を除く): 11808614

約数列:

[1, 2, 19, 37, 38, 71, 74, 142, 181, 362, 703, 1349, 1406, 2627, 2698, 3439, 5254, 6697, 6878, 12851, 13394, 25702, 49913, 99826, 127243, 244169, 254486, 475487, 488338, 950974, 9034253, 18068506]

約数ペア:

[(1, 18068506), (2, 9034253), (19, 950974), (37, 488338), (38, 475487), (71, 254486), (74, 244169), (142, 127243), (181, 99826), (362, 49913), (703, 25702), (1349, 13394), (1406, 12851), (2627, 6878), (2698, 6697), (3439, 5254)]