19860883952

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{919}}^1\times {\mathrm{14843}}^1$

素因数の和:15790

約数の個数: 80

約数和(自身を含む): 47415298560

約数和(自身を除く): 27554414608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 919, 1456, 1838, 3676, 6433, 7352, 11947, 12866, 14704, 14843, 23894, 25732, 29686, 47788, 51464, 59372, 83629, 95576, 102928, 103901, 118744, 167258, 191152, 192959, 207802, 237488, 334516, 385918, 415604, 669032, 771836, 831208, 1338064, 1350713, 1543672, 1662416, 2701426, 3087344, 5402852, 10805704, 13640717, 21611408, 27281434, 54562868, 95485019, 109125736, 177329321, 190970038, 218251472, 354658642, 381940076, 709317284, 763880152, 1241305247, 1418634568, 1527760304, 2482610494, 2837269136, 4965220988, 9930441976, 19860883952]

約数ペア:

[(1, 19860883952), (2, 9930441976), (4, 4965220988), (7, 2837269136), (8, 2482610494), (13, 1527760304), (14, 1418634568), (16, 1241305247), (26, 763880152), (28, 709317284), (52, 381940076), (56, 354658642), (91, 218251472), (104, 190970038), (112, 177329321), (182, 109125736), (208, 95485019), (364, 54562868), (728, 27281434), (919, 21611408), (1456, 13640717), (1838, 10805704), (3676, 5402852), (6433, 3087344), (7352, 2701426), (11947, 1662416), (12866, 1543672), (14704, 1350713), (14843, 1338064), (23894, 831208), (25732, 771836), (29686, 669032), (47788, 415604), (51464, 385918), (59372, 334516), (83629, 237488), (95576, 207802), (102928, 192959), (103901, 191152), (118744, 167258)]