18888240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11243}}^1$

素因数の和:11266

約数の個数: 80

約数和(自身を含む): 66924288

約数和(自身を除く): 48036048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11243, 22486, 33729, 44972, 56215, 67458, 78701, 89944, 112430, 134916, 157402, 168645, 179888, 224860, 236103, 269832, 314804, 337290, 393505, 449720, 472206, 539664, 629608, 674580, 787010, 899440, 944412, 1180515, 1259216, 1349160, 1574020, 1888824, 2361030, 2698320, 3148040, 3777648, 4722060, 6296080, 9444120, 18888240]

約数ペア:

[(1, 18888240), (2, 9444120), (3, 6296080), (4, 4722060), (5, 3777648), (6, 3148040), (7, 2698320), (8, 2361030), (10, 1888824), (12, 1574020), (14, 1349160), (15, 1259216), (16, 1180515), (20, 944412), (21, 899440), (24, 787010), (28, 674580), (30, 629608), (35, 539664), (40, 472206), (42, 449720), (48, 393505), (56, 337290), (60, 314804), (70, 269832), (80, 236103), (84, 224860), (105, 179888), (112, 168645), (120, 157402), (140, 134916), (168, 112430), (210, 89944), (240, 78701), (280, 67458), (336, 56215), (420, 44972), (560, 33729), (840, 22486), (1680, 11243)]