19221390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{739}}^1$

素因数の和:786

約数の個数: 72

約数和(自身を含む): 53160120

約数和(自身を除く): 33938730

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, 739, 765, 867, 1445, 1478, 1530, 1734, 2217, 2601, 2890, 3695, 4335, 4434, 5202, 6651, 7390, 8670, 11085, 12563, 13005, 13302, 22170, 25126, 26010, 33255, 37689, 62815, 66510, 75378, 113067, 125630, 188445, 213571, 226134, 376890, 427142, 565335, 640713, 1067855, 1130670, 1281426, 1922139, 2135710, 3203565, 3844278, 6407130, 9610695, 19221390]

約数ペア:

[(1, 19221390), (2, 9610695), (3, 6407130), (5, 3844278), (6, 3203565), (9, 2135710), (10, 1922139), (15, 1281426), (17, 1130670), (18, 1067855), (30, 640713), (34, 565335), (45, 427142), (51, 376890), (85, 226134), (90, 213571), (102, 188445), (153, 125630), (170, 113067), (255, 75378), (289, 66510), (306, 62815), (510, 37689), (578, 33255), (739, 26010), (765, 25126), (867, 22170), (1445, 13302), (1478, 13005), (1530, 12563), (1734, 11085), (2217, 8670), (2601, 7390), (2890, 6651), (3695, 5202), (4335, 4434)]