19907092959

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{90971}}^1$

素因数の和:91199

約数の個数: 32

約数和(自身を含む): 29669971968

約数和(自身を除く): 9762879009

約数列:

[1, 3, 13, 31, 39, 93, 181, 403, 543, 1209, 2353, 5611, 7059, 16833, 72943, 90971, 218829, 272913, 1182623, 2820101, 3547869, 8460303, 16465751, 36661313, 49397253, 109983939, 214054763, 510438281, 642164289, 1531314843, 6635697653, 19907092959]

約数ペア:

[(1, 19907092959), (3, 6635697653), (13, 1531314843), (31, 642164289), (39, 510438281), (93, 214054763), (181, 109983939), (403, 49397253), (543, 36661313), (1209, 16465751), (2353, 8460303), (5611, 3547869), (7059, 2820101), (16833, 1182623), (72943, 272913), (90971, 218829)]