19993020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1153}}^1$

素因数の和:1199

約数の個数: 72

約数和(自身を含む): 59518704

約数和(自身を除く): 39525684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1153, 1156, 1445, 1734, 2306, 2890, 3459, 3468, 4335, 4612, 5765, 5780, 6918, 8670, 11530, 13836, 17295, 17340, 19601, 23060, 34590, 39202, 58803, 69180, 78404, 98005, 117606, 196010, 235212, 294015, 333217, 392020, 588030, 666434, 999651, 1176060, 1332868, 1666085, 1999302, 3332170, 3998604, 4998255, 6664340, 9996510, 19993020]

約数ペア:

[(1, 19993020), (2, 9996510), (3, 6664340), (4, 4998255), (5, 3998604), (6, 3332170), (10, 1999302), (12, 1666085), (15, 1332868), (17, 1176060), (20, 999651), (30, 666434), (34, 588030), (51, 392020), (60, 333217), (68, 294015), (85, 235212), (102, 196010), (170, 117606), (204, 98005), (255, 78404), (289, 69180), (340, 58803), (510, 39202), (578, 34590), (867, 23060), (1020, 19601), (1153, 17340), (1156, 17295), (1445, 13836), (1734, 11530), (2306, 8670), (2890, 6918), (3459, 5780), (3468, 5765), (4335, 4612)]