19705380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19319}}^1$

素因数の和:19348

約数の個数: 48

約数和(自身を含む): 58423680

約数和(自身を除く): 38718300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19319, 38638, 57957, 77276, 96595, 115914, 193190, 231828, 289785, 328423, 386380, 579570, 656846, 985269, 1159140, 1313692, 1642115, 1970538, 3284230, 3941076, 4926345, 6568460, 9852690, 19705380]

約数ペア:

[(1, 19705380), (2, 9852690), (3, 6568460), (4, 4926345), (5, 3941076), (6, 3284230), (10, 1970538), (12, 1642115), (15, 1313692), (17, 1159140), (20, 985269), (30, 656846), (34, 579570), (51, 386380), (60, 328423), (68, 289785), (85, 231828), (102, 193190), (170, 115914), (204, 96595), (255, 77276), (340, 57957), (510, 38638), (1020, 19319)]