18601290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^2$

素因数の和:196

約数の個数: 72

約数和(自身を含む): 50250564

約数和(自身を除く): 31649274

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 71, 82, 90, 123, 142, 205, 213, 246, 355, 369, 410, 426, 615, 639, 710, 738, 1065, 1230, 1278, 1845, 2130, 2911, 3195, 3690, 5041, 5822, 6390, 8733, 10082, 14555, 15123, 17466, 25205, 26199, 29110, 30246, 43665, 45369, 50410, 52398, 75615, 87330, 90738, 130995, 151230, 206681, 226845, 261990, 413362, 453690, 620043, 1033405, 1240086, 1860129, 2066810, 3100215, 3720258, 6200430, 9300645, 18601290]

約数ペア:

[(1, 18601290), (2, 9300645), (3, 6200430), (5, 3720258), (6, 3100215), (9, 2066810), (10, 1860129), (15, 1240086), (18, 1033405), (30, 620043), (41, 453690), (45, 413362), (71, 261990), (82, 226845), (90, 206681), (123, 151230), (142, 130995), (205, 90738), (213, 87330), (246, 75615), (355, 52398), (369, 50410), (410, 45369), (426, 43665), (615, 30246), (639, 29110), (710, 26199), (738, 25205), (1065, 17466), (1230, 15123), (1278, 14555), (1845, 10082), (2130, 8733), (2911, 6390), (3195, 5822), (3690, 5041)]