19519740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6379}}^1$

素因数の和:6411

約数の個数: 72

約数和(自身を含む): 62702640

約数和(自身を除く): 43182900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6379, 12758, 19137, 25516, 31895, 38274, 57411, 63790, 76548, 95685, 108443, 114822, 127580, 191370, 216886, 229644, 287055, 325329, 382740, 433772, 542215, 574110, 650658, 975987, 1084430, 1148220, 1301316, 1626645, 1951974, 2168860, 3253290, 3903948, 4879935, 6506580, 9759870, 19519740]

約数ペア:

[(1, 19519740), (2, 9759870), (3, 6506580), (4, 4879935), (5, 3903948), (6, 3253290), (9, 2168860), (10, 1951974), (12, 1626645), (15, 1301316), (17, 1148220), (18, 1084430), (20, 975987), (30, 650658), (34, 574110), (36, 542215), (45, 433772), (51, 382740), (60, 325329), (68, 287055), (85, 229644), (90, 216886), (102, 191370), (153, 127580), (170, 114822), (180, 108443), (204, 95685), (255, 76548), (306, 63790), (340, 57411), (510, 38274), (612, 31895), (765, 25516), (1020, 19137), (1530, 12758), (3060, 6379)]