18679284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 51367680

約数和(自身を除く): 32688396

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 167, 234, 239, 334, 468, 478, 501, 668, 717, 956, 1002, 1434, 1503, 2004, 2151, 2171, 2868, 3006, 3107, 4302, 4342, 6012, 6214, 6513, 8604, 8684, 9321, 12428, 13026, 18642, 19539, 26052, 27963, 37284, 39078, 39913, 55926, 78156, 79826, 111852, 119739, 159652, 239478, 359217, 478956, 518869, 718434, 1037738, 1436868, 1556607, 2075476, 3113214, 4669821, 6226428, 9339642, 18679284]

約数ペア:

[(1, 18679284), (2, 9339642), (3, 6226428), (4, 4669821), (6, 3113214), (9, 2075476), (12, 1556607), (13, 1436868), (18, 1037738), (26, 718434), (36, 518869), (39, 478956), (52, 359217), (78, 239478), (117, 159652), (156, 119739), (167, 111852), (234, 79826), (239, 78156), (334, 55926), (468, 39913), (478, 39078), (501, 37284), (668, 27963), (717, 26052), (956, 19539), (1002, 18642), (1434, 13026), (1503, 12428), (2004, 9321), (2151, 8684), (2171, 8604), (2868, 6513), (3006, 6214), (3107, 6012), (4302, 4342)]