19300095

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 34819200

約数和(自身を除く): 15519105

約数列:

[1, 3, 5, 9, 15, 45, 61, 79, 89, 183, 237, 267, 305, 395, 445, 549, 711, 801, 915, 1185, 1335, 2745, 3555, 4005, 4819, 5429, 7031, 14457, 16287, 21093, 24095, 27145, 35155, 43371, 48861, 63279, 72285, 81435, 105465, 216855, 244305, 316395, 428891, 1286673, 2144455, 3860019, 6433365, 19300095]

約数ペア:

[(1, 19300095), (3, 6433365), (5, 3860019), (9, 2144455), (15, 1286673), (45, 428891), (61, 316395), (79, 244305), (89, 216855), (183, 105465), (237, 81435), (267, 72285), (305, 63279), (395, 48861), (445, 43371), (549, 35155), (711, 27145), (801, 24095), (915, 21093), (1185, 16287), (1335, 14457), (2745, 7031), (3555, 5429), (4005, 4819)]