19927260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{743}}^1$

素因数の和:907

約数の個数: 72

約数和(自身を含む): 60933600

約数和(自身を除く): 41006340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 743, 745, 894, 1341, 1486, 1490, 1788, 2229, 2235, 2682, 2972, 2980, 3715, 4458, 4470, 5364, 6687, 6705, 7430, 8916, 8940, 11145, 13374, 13410, 14860, 22290, 26748, 26820, 33435, 44580, 66870, 110707, 133740, 221414, 332121, 442828, 553535, 664242, 996363, 1107070, 1328484, 1660605, 1992726, 2214140, 3321210, 3985452, 4981815, 6642420, 9963630, 19927260]

約数ペア:

[(1, 19927260), (2, 9963630), (3, 6642420), (4, 4981815), (5, 3985452), (6, 3321210), (9, 2214140), (10, 1992726), (12, 1660605), (15, 1328484), (18, 1107070), (20, 996363), (30, 664242), (36, 553535), (45, 442828), (60, 332121), (90, 221414), (149, 133740), (180, 110707), (298, 66870), (447, 44580), (596, 33435), (743, 26820), (745, 26748), (894, 22290), (1341, 14860), (1486, 13410), (1490, 13374), (1788, 11145), (2229, 8940), (2235, 8916), (2682, 7430), (2972, 6705), (2980, 6687), (3715, 5364), (4458, 4470)]