18917340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:411

約数の個数: 96

約数和(自身を含む): 57953280

約数和(自身を除く): 39035940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 79, 130, 156, 158, 195, 237, 260, 307, 316, 390, 395, 474, 614, 780, 790, 921, 948, 1027, 1185, 1228, 1535, 1580, 1842, 2054, 2370, 3070, 3081, 3684, 3991, 4108, 4605, 4740, 5135, 6140, 6162, 7982, 9210, 10270, 11973, 12324, 15405, 15964, 18420, 19955, 20540, 23946, 24253, 30810, 39910, 47892, 48506, 59865, 61620, 72759, 79820, 97012, 119730, 121265, 145518, 239460, 242530, 291036, 315289, 363795, 485060, 630578, 727590, 945867, 1261156, 1455180, 1576445, 1891734, 3152890, 3783468, 4729335, 6305780, 9458670, 18917340]

約数ペア:

[(1, 18917340), (2, 9458670), (3, 6305780), (4, 4729335), (5, 3783468), (6, 3152890), (10, 1891734), (12, 1576445), (13, 1455180), (15, 1261156), (20, 945867), (26, 727590), (30, 630578), (39, 485060), (52, 363795), (60, 315289), (65, 291036), (78, 242530), (79, 239460), (130, 145518), (156, 121265), (158, 119730), (195, 97012), (237, 79820), (260, 72759), (307, 61620), (316, 59865), (390, 48506), (395, 47892), (474, 39910), (614, 30810), (780, 24253), (790, 23946), (921, 20540), (948, 19955), (1027, 18420), (1185, 15964), (1228, 15405), (1535, 12324), (1580, 11973), (1842, 10270), (2054, 9210), (2370, 7982), (3070, 6162), (3081, 6140), (3684, 5135), (3991, 4740), (4108, 4605)]