18142020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7753}}^1$

素因数の和:7781

約数の個数: 72

約数和(自身を含む): 59271576

約数和(自身を除く): 41129556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7753, 15506, 23259, 31012, 38765, 46518, 69777, 77530, 93036, 100789, 116295, 139554, 155060, 201578, 232590, 279108, 302367, 348885, 403156, 465180, 503945, 604734, 697770, 907101, 1007890, 1209468, 1395540, 1511835, 1814202, 2015780, 3023670, 3628404, 4535505, 6047340, 9071010, 18142020]

約数ペア:

[(1, 18142020), (2, 9071010), (3, 6047340), (4, 4535505), (5, 3628404), (6, 3023670), (9, 2015780), (10, 1814202), (12, 1511835), (13, 1395540), (15, 1209468), (18, 1007890), (20, 907101), (26, 697770), (30, 604734), (36, 503945), (39, 465180), (45, 403156), (52, 348885), (60, 302367), (65, 279108), (78, 232590), (90, 201578), (117, 155060), (130, 139554), (156, 116295), (180, 100789), (195, 93036), (234, 77530), (260, 69777), (390, 46518), (468, 38765), (585, 31012), (780, 23259), (1170, 15506), (2340, 7753)]