18700940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1697}}^1$

素因数の和:1754

約数の個数: 48

約数和(自身を含む): 42789600

約数和(自身を除く): 24088660

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 1697, 2204, 2755, 3394, 5510, 6788, 8485, 11020, 16970, 32243, 33940, 49213, 64486, 98426, 128972, 161215, 196852, 246065, 322430, 492130, 644860, 935047, 984260, 1870094, 3740188, 4675235, 9350470, 18700940]

約数ペア:

[(1, 18700940), (2, 9350470), (4, 4675235), (5, 3740188), (10, 1870094), (19, 984260), (20, 935047), (29, 644860), (38, 492130), (58, 322430), (76, 246065), (95, 196852), (116, 161215), (145, 128972), (190, 98426), (290, 64486), (380, 49213), (551, 33940), (580, 32243), (1102, 16970), (1697, 11020), (2204, 8485), (2755, 6788), (3394, 5510)]