15963268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 31046400

約数和(自身を除く): 15083132

約数列:

[1, 2, 4, 19, 38, 41, 47, 76, 82, 94, 109, 164, 188, 218, 436, 779, 893, 1558, 1786, 1927, 2071, 3116, 3572, 3854, 4142, 4469, 5123, 7708, 8284, 8938, 10246, 17876, 20492, 36613, 73226, 84911, 97337, 146452, 169822, 194674, 210043, 339644, 389348, 420086, 840172, 3990817, 7981634, 15963268]

約数ペア:

[(1, 15963268), (2, 7981634), (4, 3990817), (19, 840172), (38, 420086), (41, 389348), (47, 339644), (76, 210043), (82, 194674), (94, 169822), (109, 146452), (164, 97337), (188, 84911), (218, 73226), (436, 36613), (779, 20492), (893, 17876), (1558, 10246), (1786, 8938), (1927, 8284), (2071, 7708), (3116, 5123), (3572, 4469), (3854, 4142)]