18030688

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:599

約数の個数: 48

約数和(自身を含む): 38737440

約数和(自身を除く): 20706752

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 89, 104, 178, 208, 356, 416, 487, 712, 974, 1157, 1424, 1948, 2314, 2848, 3896, 4628, 6331, 7792, 9256, 12662, 15584, 18512, 25324, 37024, 43343, 50648, 86686, 101296, 173372, 202592, 346744, 563459, 693488, 1126918, 1386976, 2253836, 4507672, 9015344, 18030688]

約数ペア:

[(1, 18030688), (2, 9015344), (4, 4507672), (8, 2253836), (13, 1386976), (16, 1126918), (26, 693488), (32, 563459), (52, 346744), (89, 202592), (104, 173372), (178, 101296), (208, 86686), (356, 50648), (416, 43343), (487, 37024), (712, 25324), (974, 18512), (1157, 15584), (1424, 12662), (1948, 9256), (2314, 7792), (2848, 6331), (3896, 4628)]