19371040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 50379840

約数和(自身を除く): 31008800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 67, 80, 104, 130, 134, 139, 160, 208, 260, 268, 278, 335, 416, 520, 536, 556, 670, 695, 871, 1040, 1072, 1112, 1340, 1390, 1742, 1807, 2080, 2144, 2224, 2680, 2780, 3484, 3614, 4355, 4448, 5360, 5560, 6968, 7228, 8710, 9035, 9313, 10720, 11120, 13936, 14456, 17420, 18070, 18626, 22240, 27872, 28912, 34840, 36140, 37252, 46565, 57824, 69680, 72280, 74504, 93130, 121069, 139360, 144560, 149008, 186260, 242138, 289120, 298016, 372520, 484276, 605345, 745040, 968552, 1210690, 1490080, 1937104, 2421380, 3874208, 4842760, 9685520, 19371040]

約数ペア:

[(1, 19371040), (2, 9685520), (4, 4842760), (5, 3874208), (8, 2421380), (10, 1937104), (13, 1490080), (16, 1210690), (20, 968552), (26, 745040), (32, 605345), (40, 484276), (52, 372520), (65, 298016), (67, 289120), (80, 242138), (104, 186260), (130, 149008), (134, 144560), (139, 139360), (160, 121069), (208, 93130), (260, 74504), (268, 72280), (278, 69680), (335, 57824), (416, 46565), (520, 37252), (536, 36140), (556, 34840), (670, 28912), (695, 27872), (871, 22240), (1040, 18626), (1072, 18070), (1112, 17420), (1340, 14456), (1390, 13936), (1742, 11120), (1807, 10720), (2080, 9313), (2144, 9035), (2224, 8710), (2680, 7228), (2780, 6968), (3484, 5560), (3614, 5360), (4355, 4448)]