17909540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 41416704

約数和(自身を除く): 23507164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 641, 1270, 1282, 1397, 2540, 2564, 2794, 3205, 5588, 6410, 6985, 7051, 12820, 13970, 14102, 27940, 28204, 35255, 70510, 81407, 141020, 162814, 325628, 407035, 814070, 895477, 1628140, 1790954, 3581908, 4477385, 8954770, 17909540]

約数ペア:

[(1, 17909540), (2, 8954770), (4, 4477385), (5, 3581908), (10, 1790954), (11, 1628140), (20, 895477), (22, 814070), (44, 407035), (55, 325628), (110, 162814), (127, 141020), (220, 81407), (254, 70510), (508, 35255), (635, 28204), (641, 27940), (1270, 14102), (1282, 13970), (1397, 12820), (2540, 7051), (2564, 6985), (2794, 6410), (3205, 5588)]