2018953870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{7877}}^1$

素因数の和:7993

約数の個数: 48

約数和(自身を含む): 3889967328

約数和(自身を除く): 1871013458

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 361, 710, 722, 1349, 1805, 2698, 3610, 6745, 7877, 13490, 15754, 25631, 39385, 51262, 78770, 128155, 149663, 256310, 299326, 559267, 748315, 1118534, 1496630, 2796335, 2843597, 5592670, 5687194, 10626073, 14217985, 21252146, 28435970, 53130365, 106260730, 201895387, 403790774, 1009476935, 2018953870]

約数ペア:

[(1, 2018953870), (2, 1009476935), (5, 403790774), (10, 201895387), (19, 106260730), (38, 53130365), (71, 28435970), (95, 21252146), (142, 14217985), (190, 10626073), (355, 5687194), (361, 5592670), (710, 2843597), (722, 2796335), (1349, 1496630), (1805, 1118534), (2698, 748315), (3610, 559267), (6745, 299326), (7877, 256310), (13490, 149663), (15754, 128155), (25631, 78770), (39385, 51262)]