19867986320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2729119}}^1$

素因数の和:2729152

約数の個数: 80

約数和(自身を含む): 56853027840

約数和(自身を除く): 36985041520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 2729119, 5458238, 10916476, 13645595, 19103833, 21832952, 27291190, 35478547, 38207666, 43665904, 54582380, 70957094, 76415332, 95519165, 109164760, 141914188, 152830664, 177392735, 191038330, 218329520, 248349829, 283828376, 305661328, 354785470, 382076660, 496699658, 567656752, 709570940, 764153320, 993399316, 1241749145, 1419141880, 1528306640, 1986798632, 2483498290, 2838283760, 3973597264, 4966996580, 9933993160, 19867986320]

約数ペア:

[(1, 19867986320), (2, 9933993160), (4, 4966996580), (5, 3973597264), (7, 2838283760), (8, 2483498290), (10, 1986798632), (13, 1528306640), (14, 1419141880), (16, 1241749145), (20, 993399316), (26, 764153320), (28, 709570940), (35, 567656752), (40, 496699658), (52, 382076660), (56, 354785470), (65, 305661328), (70, 283828376), (80, 248349829), (91, 218329520), (104, 191038330), (112, 177392735), (130, 152830664), (140, 141914188), (182, 109164760), (208, 95519165), (260, 76415332), (280, 70957094), (364, 54582380), (455, 43665904), (520, 38207666), (560, 35478547), (728, 27291190), (910, 21832952), (1040, 19103833), (1456, 13645595), (1820, 10916476), (3640, 5458238), (7280, 2729119)]