18851560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5179}}^1$

素因数の和:5210

約数の個数: 64

約数和(自身を含む): 52214400

約数和(自身を除く): 33362840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5179, 10358, 20716, 25895, 36253, 41432, 51790, 67327, 72506, 103580, 134654, 145012, 181265, 207160, 269308, 290024, 336635, 362530, 471289, 538616, 673270, 725060, 942578, 1346540, 1450120, 1885156, 2356445, 2693080, 3770312, 4712890, 9425780, 18851560]

約数ペア:

[(1, 18851560), (2, 9425780), (4, 4712890), (5, 3770312), (7, 2693080), (8, 2356445), (10, 1885156), (13, 1450120), (14, 1346540), (20, 942578), (26, 725060), (28, 673270), (35, 538616), (40, 471289), (52, 362530), (56, 336635), (65, 290024), (70, 269308), (91, 207160), (104, 181265), (130, 145012), (140, 134654), (182, 103580), (260, 72506), (280, 67327), (364, 51790), (455, 41432), (520, 36253), (728, 25895), (910, 20716), (1820, 10358), (3640, 5179)]