17868760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4909}}^1$

素因数の和:4940

約数の個数: 64

約数和(自身を含む): 49492800

約数和(自身を除く): 31624040

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, 4909, 9818, 19636, 24545, 34363, 39272, 49090, 63817, 68726, 98180, 127634, 137452, 171815, 196360, 255268, 274904, 319085, 343630, 446719, 510536, 638170, 687260, 893438, 1276340, 1374520, 1786876, 2233595, 2552680, 3573752, 4467190, 8934380, 17868760]

約数ペア:

[(1, 17868760), (2, 8934380), (4, 4467190), (5, 3573752), (7, 2552680), (8, 2233595), (10, 1786876), (13, 1374520), (14, 1276340), (20, 893438), (26, 687260), (28, 638170), (35, 510536), (40, 446719), (52, 343630), (56, 319085), (65, 274904), (70, 255268), (91, 196360), (104, 171815), (130, 137452), (140, 127634), (182, 98180), (260, 68726), (280, 63817), (364, 49090), (455, 39272), (520, 34363), (728, 24545), (910, 19636), (1820, 9818), (3640, 4909)]