19558840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:629

約数の個数: 96

約数和(自身を含む): 54295920

約数和(自身を除く): 34737080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 392, 476, 490, 587, 595, 680, 833, 952, 980, 1174, 1190, 1666, 1960, 2348, 2380, 2935, 3332, 4109, 4165, 4696, 4760, 5870, 6664, 8218, 8330, 9979, 11740, 16436, 16660, 19958, 20545, 23480, 28763, 32872, 33320, 39916, 41090, 49895, 57526, 69853, 79832, 82180, 99790, 115052, 139706, 143815, 164360, 199580, 230104, 279412, 287630, 349265, 399160, 488971, 558824, 575260, 698530, 977942, 1150520, 1397060, 1955884, 2444855, 2794120, 3911768, 4889710, 9779420, 19558840]

約数ペア:

[(1, 19558840), (2, 9779420), (4, 4889710), (5, 3911768), (7, 2794120), (8, 2444855), (10, 1955884), (14, 1397060), (17, 1150520), (20, 977942), (28, 698530), (34, 575260), (35, 558824), (40, 488971), (49, 399160), (56, 349265), (68, 287630), (70, 279412), (85, 230104), (98, 199580), (119, 164360), (136, 143815), (140, 139706), (170, 115052), (196, 99790), (238, 82180), (245, 79832), (280, 69853), (340, 57526), (392, 49895), (476, 41090), (490, 39916), (587, 33320), (595, 32872), (680, 28763), (833, 23480), (952, 20545), (980, 19958), (1174, 16660), (1190, 16436), (1666, 11740), (1960, 9979), (2348, 8330), (2380, 8218), (2935, 6664), (3332, 5870), (4109, 4760), (4165, 4696)]