19586840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5381}}^1$

素因数の和:5412

約数の個数: 64

約数和(自身を含む): 54250560

約数和(自身を除く): 34663720

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, 5381, 10762, 21524, 26905, 37667, 43048, 53810, 69953, 75334, 107620, 139906, 150668, 188335, 215240, 279812, 301336, 349765, 376670, 489671, 559624, 699530, 753340, 979342, 1399060, 1506680, 1958684, 2448355, 2798120, 3917368, 4896710, 9793420, 19586840]

約数ペア:

[(1, 19586840), (2, 9793420), (4, 4896710), (5, 3917368), (7, 2798120), (8, 2448355), (10, 1958684), (13, 1506680), (14, 1399060), (20, 979342), (26, 753340), (28, 699530), (35, 559624), (40, 489671), (52, 376670), (56, 349765), (65, 301336), (70, 279812), (91, 215240), (104, 188335), (130, 150668), (140, 139906), (182, 107620), (260, 75334), (280, 69953), (364, 53810), (455, 43048), (520, 37667), (728, 26905), (910, 21524), (1820, 10762), (3640, 5381)]