18608265

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 37255680

約数和(自身を除く): 18647415

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 207, 299, 345, 351, 461, 585, 621, 897, 1035, 1383, 1495, 1755, 2305, 2691, 3105, 4149, 4485, 5993, 6915, 8073, 10603, 12447, 13455, 17979, 20745, 29965, 31809, 40365, 53015, 53937, 62235, 89895, 95427, 137839, 159045, 161811, 269685, 286281, 413517, 477135, 689195, 809055, 1240551, 1431405, 2067585, 3721653, 6202755, 18608265]

約数ペア:

[(1, 18608265), (3, 6202755), (5, 3721653), (9, 2067585), (13, 1431405), (15, 1240551), (23, 809055), (27, 689195), (39, 477135), (45, 413517), (65, 286281), (69, 269685), (115, 161811), (117, 159045), (135, 137839), (195, 95427), (207, 89895), (299, 62235), (345, 53937), (351, 53015), (461, 40365), (585, 31809), (621, 29965), (897, 20745), (1035, 17979), (1383, 13455), (1495, 12447), (1755, 10603), (2305, 8073), (2691, 6915), (3105, 5993), (4149, 4485)]