18591880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1486

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 28064120

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1439, 1615, 2584, 2878, 3230, 5756, 6460, 7195, 11512, 12920, 14390, 24463, 27341, 28780, 48926, 54682, 57560, 97852, 109364, 122315, 136705, 195704, 218728, 244630, 273410, 464797, 489260, 546820, 929594, 978520, 1093640, 1859188, 2323985, 3718376, 4647970, 9295940, 18591880]

約数ペア:

[(1, 18591880), (2, 9295940), (4, 4647970), (5, 3718376), (8, 2323985), (10, 1859188), (17, 1093640), (19, 978520), (20, 929594), (34, 546820), (38, 489260), (40, 464797), (68, 273410), (76, 244630), (85, 218728), (95, 195704), (136, 136705), (152, 122315), (170, 109364), (190, 97852), (323, 57560), (340, 54682), (380, 48926), (646, 28780), (680, 27341), (760, 24463), (1292, 14390), (1439, 12920), (1615, 11512), (2584, 7195), (2878, 6460), (3230, 5756)]