19787360

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 51528960

約数和(自身を除く): 31741600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 283, 304, 368, 380, 437, 460, 566, 608, 736, 760, 874, 920, 1132, 1415, 1520, 1748, 1840, 2185, 2264, 2830, 3040, 3496, 3680, 4370, 4528, 5377, 5660, 6509, 6992, 8740, 9056, 10754, 11320, 13018, 13984, 17480, 21508, 22640, 26036, 26885, 32545, 34960, 43016, 45280, 52072, 53770, 65090, 69920, 86032, 104144, 107540, 123671, 130180, 172064, 208288, 215080, 247342, 260360, 430160, 494684, 520720, 618355, 860320, 989368, 1041440, 1236710, 1978736, 2473420, 3957472, 4946840, 9893680, 19787360]

約数ペア:

[(1, 19787360), (2, 9893680), (4, 4946840), (5, 3957472), (8, 2473420), (10, 1978736), (16, 1236710), (19, 1041440), (20, 989368), (23, 860320), (32, 618355), (38, 520720), (40, 494684), (46, 430160), (76, 260360), (80, 247342), (92, 215080), (95, 208288), (115, 172064), (152, 130180), (160, 123671), (184, 107540), (190, 104144), (230, 86032), (283, 69920), (304, 65090), (368, 53770), (380, 52072), (437, 45280), (460, 43016), (566, 34960), (608, 32545), (736, 26885), (760, 26036), (874, 22640), (920, 21508), (1132, 17480), (1415, 13984), (1520, 13018), (1748, 11320), (1840, 10754), (2185, 9056), (2264, 8740), (2830, 6992), (3040, 6509), (3496, 5660), (3680, 5377), (4370, 4528)]