19464280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1480

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 29887400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1427, 1705, 2728, 2854, 3410, 5708, 6820, 7135, 11416, 13640, 14270, 15697, 28540, 31394, 44237, 57080, 62788, 78485, 88474, 125576, 156970, 176948, 221185, 313940, 353896, 442370, 486607, 627880, 884740, 973214, 1769480, 1946428, 2433035, 3892856, 4866070, 9732140, 19464280]

約数ペア:

[(1, 19464280), (2, 9732140), (4, 4866070), (5, 3892856), (8, 2433035), (10, 1946428), (11, 1769480), (20, 973214), (22, 884740), (31, 627880), (40, 486607), (44, 442370), (55, 353896), (62, 313940), (88, 221185), (110, 176948), (124, 156970), (155, 125576), (220, 88474), (248, 78485), (310, 62788), (341, 57080), (440, 44237), (620, 31394), (682, 28540), (1240, 15697), (1364, 14270), (1427, 13640), (1705, 11416), (2728, 7135), (2854, 6820), (3410, 5708)]