18354636

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 48432384

約数和(自身を除く): 30077748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 71, 86, 129, 142, 167, 172, 213, 258, 284, 334, 387, 426, 501, 516, 639, 668, 774, 852, 1002, 1278, 1503, 1548, 2004, 2556, 3006, 3053, 6012, 6106, 7181, 9159, 11857, 12212, 14362, 18318, 21543, 23714, 27477, 28724, 35571, 36636, 43086, 47428, 54954, 64629, 71142, 86172, 106713, 109908, 129258, 142284, 213426, 258516, 426852, 509851, 1019702, 1529553, 2039404, 3059106, 4588659, 6118212, 9177318, 18354636]

約数ペア:

[(1, 18354636), (2, 9177318), (3, 6118212), (4, 4588659), (6, 3059106), (9, 2039404), (12, 1529553), (18, 1019702), (36, 509851), (43, 426852), (71, 258516), (86, 213426), (129, 142284), (142, 129258), (167, 109908), (172, 106713), (213, 86172), (258, 71142), (284, 64629), (334, 54954), (387, 47428), (426, 43086), (501, 36636), (516, 35571), (639, 28724), (668, 27477), (774, 23714), (852, 21543), (1002, 18318), (1278, 14362), (1503, 12212), (1548, 11857), (2004, 9159), (2556, 7181), (3006, 6106), (3053, 6012)]