18615952

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 38669400

約数和(自身を除く): 20053448

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 89, 136, 178, 272, 356, 712, 769, 1424, 1513, 1538, 3026, 3076, 6052, 6152, 12104, 12304, 13073, 24208, 26146, 52292, 68441, 104584, 136882, 209168, 273764, 547528, 1095056, 1163497, 2326994, 4653988, 9307976, 18615952]

約数ペア:

[(1, 18615952), (2, 9307976), (4, 4653988), (8, 2326994), (16, 1163497), (17, 1095056), (34, 547528), (68, 273764), (89, 209168), (136, 136882), (178, 104584), (272, 68441), (356, 52292), (712, 26146), (769, 24208), (1424, 13073), (1513, 12304), (1538, 12104), (3026, 6152), (3076, 6052)]