19045780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 47416320

約数和(自身を除く): 28370540

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 52, 62, 65, 68, 85, 124, 130, 139, 155, 170, 221, 260, 278, 310, 340, 403, 442, 527, 556, 620, 695, 806, 884, 1054, 1105, 1390, 1612, 1807, 2015, 2108, 2210, 2363, 2635, 2780, 3614, 4030, 4309, 4420, 4726, 5270, 6851, 7228, 8060, 8618, 9035, 9452, 10540, 11815, 13702, 17236, 18070, 21545, 23630, 27404, 30719, 34255, 36140, 43090, 47260, 56017, 61438, 68510, 73253, 86180, 112034, 122876, 137020, 146506, 153595, 224068, 280085, 293012, 307190, 366265, 560170, 614380, 732530, 952289, 1120340, 1465060, 1904578, 3809156, 4761445, 9522890, 19045780]

約数ペア:

[(1, 19045780), (2, 9522890), (4, 4761445), (5, 3809156), (10, 1904578), (13, 1465060), (17, 1120340), (20, 952289), (26, 732530), (31, 614380), (34, 560170), (52, 366265), (62, 307190), (65, 293012), (68, 280085), (85, 224068), (124, 153595), (130, 146506), (139, 137020), (155, 122876), (170, 112034), (221, 86180), (260, 73253), (278, 68510), (310, 61438), (340, 56017), (403, 47260), (442, 43090), (527, 36140), (556, 34255), (620, 30719), (695, 27404), (806, 23630), (884, 21545), (1054, 18070), (1105, 17236), (1390, 13702), (1612, 11815), (1807, 10540), (2015, 9452), (2108, 9035), (2210, 8618), (2363, 8060), (2635, 7228), (2780, 6851), (3614, 5270), (4030, 4726), (4309, 4420)]