19144540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 42364224

約数和(自身を除く): 23219684

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 370, 410, 631, 740, 820, 1262, 1517, 2524, 3034, 3155, 6068, 6310, 7585, 12620, 15170, 23347, 25871, 30340, 46694, 51742, 93388, 103484, 116735, 129355, 233470, 258710, 466940, 517420, 957227, 1914454, 3828908, 4786135, 9572270, 19144540]

約数ペア:

[(1, 19144540), (2, 9572270), (4, 4786135), (5, 3828908), (10, 1914454), (20, 957227), (37, 517420), (41, 466940), (74, 258710), (82, 233470), (148, 129355), (164, 116735), (185, 103484), (205, 93388), (370, 51742), (410, 46694), (631, 30340), (740, 25871), (820, 23347), (1262, 15170), (1517, 12620), (2524, 7585), (3034, 6310), (3155, 6068)]