18867570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 29516430

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 79, 95, 114, 158, 190, 237, 285, 395, 419, 474, 570, 790, 838, 1185, 1257, 1501, 2095, 2370, 2514, 3002, 4190, 4503, 6285, 7505, 7961, 9006, 12570, 15010, 15922, 22515, 23883, 33101, 39805, 45030, 47766, 66202, 79610, 99303, 119415, 165505, 198606, 238830, 331010, 496515, 628919, 993030, 1257838, 1886757, 3144595, 3773514, 6289190, 9433785, 18867570]

約数ペア:

[(1, 18867570), (2, 9433785), (3, 6289190), (5, 3773514), (6, 3144595), (10, 1886757), (15, 1257838), (19, 993030), (30, 628919), (38, 496515), (57, 331010), (79, 238830), (95, 198606), (114, 165505), (158, 119415), (190, 99303), (237, 79610), (285, 66202), (395, 47766), (419, 45030), (474, 39805), (570, 33101), (790, 23883), (838, 22515), (1185, 15922), (1257, 15010), (1501, 12570), (2095, 9006), (2370, 7961), (2514, 7505), (3002, 6285), (4190, 4503)]