19818330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4967}}^1$

素因数の和:5003

約数の個数: 64

約数和(自身を含む): 57231360

約数和(自身を除く): 37413030

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 4967, 9934, 14901, 24835, 29802, 34769, 49670, 69538, 74505, 94373, 104307, 149010, 173845, 188746, 208614, 283119, 347690, 471865, 521535, 566238, 660611, 943730, 1043070, 1321222, 1415595, 1981833, 2831190, 3303055, 3963666, 6606110, 9909165, 19818330]

約数ペア:

[(1, 19818330), (2, 9909165), (3, 6606110), (5, 3963666), (6, 3303055), (7, 2831190), (10, 1981833), (14, 1415595), (15, 1321222), (19, 1043070), (21, 943730), (30, 660611), (35, 566238), (38, 521535), (42, 471865), (57, 347690), (70, 283119), (95, 208614), (105, 188746), (114, 173845), (133, 149010), (190, 104307), (210, 94373), (266, 74505), (285, 69538), (399, 49670), (570, 34769), (665, 29802), (798, 24835), (1330, 14901), (1995, 9934), (3990, 4967)]