18936684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 52804752

約数和(自身を除く): 33868068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 941, 1118, 1548, 1677, 1882, 2236, 2823, 3354, 3764, 5031, 5646, 6708, 8469, 10062, 11292, 12233, 16938, 20124, 24466, 33876, 36699, 40463, 48932, 73398, 80926, 110097, 121389, 146796, 161852, 220194, 242778, 364167, 440388, 485556, 526019, 728334, 1052038, 1456668, 1578057, 2104076, 3156114, 4734171, 6312228, 9468342, 18936684]

約数ペア:

[(1, 18936684), (2, 9468342), (3, 6312228), (4, 4734171), (6, 3156114), (9, 2104076), (12, 1578057), (13, 1456668), (18, 1052038), (26, 728334), (36, 526019), (39, 485556), (43, 440388), (52, 364167), (78, 242778), (86, 220194), (117, 161852), (129, 146796), (156, 121389), (172, 110097), (234, 80926), (258, 73398), (387, 48932), (468, 40463), (516, 36699), (559, 33876), (774, 24466), (941, 20124), (1118, 16938), (1548, 12233), (1677, 11292), (1882, 10062), (2236, 8469), (2823, 6708), (3354, 5646), (3764, 5031)]