11871990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 33939360

約数和(自身を除く): 22067370

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 73, 78, 90, 117, 130, 139, 146, 195, 219, 234, 278, 365, 390, 417, 438, 585, 657, 695, 730, 834, 949, 1095, 1170, 1251, 1314, 1390, 1807, 1898, 2085, 2190, 2502, 2847, 3285, 3614, 4170, 4745, 5421, 5694, 6255, 6570, 8541, 9035, 9490, 10147, 10842, 12510, 14235, 16263, 17082, 18070, 20294, 27105, 28470, 30441, 32526, 42705, 50735, 54210, 60882, 81315, 85410, 91323, 101470, 131911, 152205, 162630, 182646, 263822, 304410, 395733, 456615, 659555, 791466, 913230, 1187199, 1319110, 1978665, 2374398, 3957330, 5935995, 11871990]

約数ペア:

[(1, 11871990), (2, 5935995), (3, 3957330), (5, 2374398), (6, 1978665), (9, 1319110), (10, 1187199), (13, 913230), (15, 791466), (18, 659555), (26, 456615), (30, 395733), (39, 304410), (45, 263822), (65, 182646), (73, 162630), (78, 152205), (90, 131911), (117, 101470), (130, 91323), (139, 85410), (146, 81315), (195, 60882), (219, 54210), (234, 50735), (278, 42705), (365, 32526), (390, 30441), (417, 28470), (438, 27105), (585, 20294), (657, 18070), (695, 17082), (730, 16263), (834, 14235), (949, 12510), (1095, 10842), (1170, 10147), (1251, 9490), (1314, 9035), (1390, 8541), (1807, 6570), (1898, 6255), (2085, 5694), (2190, 5421), (2502, 4745), (2847, 4170), (3285, 3614)]