18770820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1163}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 52799040

約数和(自身を除く): 34028220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 807, 1076, 1163, 1345, 1614, 2326, 2690, 3228, 3489, 4035, 4652, 5380, 5815, 6978, 8070, 11630, 13956, 16140, 17445, 23260, 34890, 69780, 312847, 625694, 938541, 1251388, 1564235, 1877082, 3128470, 3754164, 4692705, 6256940, 9385410, 18770820]

約数ペア:

[(1, 18770820), (2, 9385410), (3, 6256940), (4, 4692705), (5, 3754164), (6, 3128470), (10, 1877082), (12, 1564235), (15, 1251388), (20, 938541), (30, 625694), (60, 312847), (269, 69780), (538, 34890), (807, 23260), (1076, 17445), (1163, 16140), (1345, 13956), (1614, 11630), (2326, 8070), (2690, 6978), (3228, 5815), (3489, 5380), (4035, 4652)]