19122620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5113}}^1$

素因数の和:5150

約数の個数: 48

約数和(自身を含む): 46394208

約数和(自身を除く): 27271588

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5113, 10226, 20452, 25565, 51130, 56243, 86921, 102260, 112486, 173842, 224972, 281215, 347684, 434605, 562430, 869210, 956131, 1124860, 1738420, 1912262, 3824524, 4780655, 9561310, 19122620]

約数ペア:

[(1, 19122620), (2, 9561310), (4, 4780655), (5, 3824524), (10, 1912262), (11, 1738420), (17, 1124860), (20, 956131), (22, 869210), (34, 562430), (44, 434605), (55, 347684), (68, 281215), (85, 224972), (110, 173842), (170, 112486), (187, 102260), (220, 86921), (340, 56243), (374, 51130), (748, 25565), (935, 20452), (1870, 10226), (3740, 5113)]