18857592

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20147}}^1$

素因数の和:20172

約数の個数: 48

約数和(自身を含む): 55004040

約数和(自身を除く): 36146448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20147, 40294, 60441, 80588, 120882, 161176, 181323, 241764, 261911, 362646, 483528, 523822, 725292, 785733, 1047644, 1450584, 1571466, 2095288, 2357199, 3142932, 4714398, 6285864, 9428796, 18857592]

約数ペア:

[(1, 18857592), (2, 9428796), (3, 6285864), (4, 4714398), (6, 3142932), (8, 2357199), (9, 2095288), (12, 1571466), (13, 1450584), (18, 1047644), (24, 785733), (26, 725292), (36, 523822), (39, 483528), (52, 362646), (72, 261911), (78, 241764), (104, 181323), (117, 161176), (156, 120882), (234, 80588), (312, 60441), (468, 40294), (936, 20147)]