18971937070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{691}}^1\times {\mathrm{2857}}^1$

素因数の和:3617

約数の個数: 48

約数和(自身を含む): 35350053264

約数和(自身を除く): 16378116194

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 691, 961, 1382, 1922, 2857, 3455, 4805, 5714, 6910, 9610, 14285, 21421, 28570, 42842, 88567, 107105, 177134, 214210, 442835, 664051, 885670, 1328102, 1974187, 2745577, 3320255, 3948374, 5491154, 6640510, 9870935, 13727885, 19741870, 27455770, 61199797, 122399594, 305998985, 611997970, 1897193707, 3794387414, 9485968535, 18971937070]

約数ペア:

[(1, 18971937070), (2, 9485968535), (5, 3794387414), (10, 1897193707), (31, 611997970), (62, 305998985), (155, 122399594), (310, 61199797), (691, 27455770), (961, 19741870), (1382, 13727885), (1922, 9870935), (2857, 6640510), (3455, 5491154), (4805, 3948374), (5714, 3320255), (6910, 2745577), (9610, 1974187), (14285, 1328102), (21421, 885670), (28570, 664051), (42842, 442835), (88567, 214210), (107105, 177134)]