19898670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3547}}^1$

素因数の和:3585

約数の個数: 64

約数和(自身を含む): 55178496

約数和(自身を除く): 35279826

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 51, 55, 66, 85, 102, 110, 165, 170, 187, 255, 330, 374, 510, 561, 935, 1122, 1870, 2805, 3547, 5610, 7094, 10641, 17735, 21282, 35470, 39017, 53205, 60299, 78034, 106410, 117051, 120598, 180897, 195085, 234102, 301495, 361794, 390170, 585255, 602990, 663289, 904485, 1170510, 1326578, 1808970, 1989867, 3316445, 3979734, 6632890, 9949335, 19898670]

約数ペア:

[(1, 19898670), (2, 9949335), (3, 6632890), (5, 3979734), (6, 3316445), (10, 1989867), (11, 1808970), (15, 1326578), (17, 1170510), (22, 904485), (30, 663289), (33, 602990), (34, 585255), (51, 390170), (55, 361794), (66, 301495), (85, 234102), (102, 195085), (110, 180897), (165, 120598), (170, 117051), (187, 106410), (255, 78034), (330, 60299), (374, 53205), (510, 39017), (561, 35470), (935, 21282), (1122, 17735), (1870, 10641), (2805, 7094), (3547, 5610)]