19689570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{757}}^1$

素因数の和:804

約数の個数: 72

約数和(自身を含む): 54453204

約数和(自身を除く): 34763634

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 289, 306, 510, 578, 757, 765, 867, 1445, 1514, 1530, 1734, 2271, 2601, 2890, 3785, 4335, 4542, 5202, 6813, 7570, 8670, 11355, 12869, 13005, 13626, 22710, 25738, 26010, 34065, 38607, 64345, 68130, 77214, 115821, 128690, 193035, 218773, 231642, 386070, 437546, 579105, 656319, 1093865, 1158210, 1312638, 1968957, 2187730, 3281595, 3937914, 6563190, 9844785, 19689570]

約数ペア:

[(1, 19689570), (2, 9844785), (3, 6563190), (5, 3937914), (6, 3281595), (9, 2187730), (10, 1968957), (15, 1312638), (17, 1158210), (18, 1093865), (30, 656319), (34, 579105), (45, 437546), (51, 386070), (85, 231642), (90, 218773), (102, 193035), (153, 128690), (170, 115821), (255, 77214), (289, 68130), (306, 64345), (510, 38607), (578, 34065), (757, 26010), (765, 25738), (867, 22710), (1445, 13626), (1514, 13005), (1530, 12869), (1734, 11355), (2271, 8670), (2601, 7570), (2890, 6813), (3785, 5202), (4335, 4542)]