18898020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1567}}^1$

素因数の和:1649

約数の個数: 72

約数和(自身を含む): 58216704

約数和(自身を除く): 39318684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 1567, 2010, 2412, 3015, 3134, 4020, 4701, 6030, 6268, 7835, 9402, 12060, 14103, 15670, 18804, 23505, 28206, 31340, 47010, 56412, 70515, 94020, 104989, 141030, 209978, 282060, 314967, 419956, 524945, 629934, 944901, 1049890, 1259868, 1574835, 1889802, 2099780, 3149670, 3779604, 4724505, 6299340, 9449010, 18898020]

約数ペア:

[(1, 18898020), (2, 9449010), (3, 6299340), (4, 4724505), (5, 3779604), (6, 3149670), (9, 2099780), (10, 1889802), (12, 1574835), (15, 1259868), (18, 1049890), (20, 944901), (30, 629934), (36, 524945), (45, 419956), (60, 314967), (67, 282060), (90, 209978), (134, 141030), (180, 104989), (201, 94020), (268, 70515), (335, 56412), (402, 47010), (603, 31340), (670, 28206), (804, 23505), (1005, 18804), (1206, 15670), (1340, 14103), (1567, 12060), (2010, 9402), (2412, 7835), (3015, 6268), (3134, 6030), (4020, 4701)]