18419238

素因数分解:

$2^1\times 3^4\times {\mathrm{67}}^1\times {\mathrm{1697}}^1$

素因数の和:1778

約数の個数: 40

約数和(自身を含む): 41913432

約数和(自身を除く): 23494194

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 81, 134, 162, 201, 402, 603, 1206, 1697, 1809, 3394, 3618, 5091, 5427, 10182, 10854, 15273, 30546, 45819, 91638, 113699, 137457, 227398, 274914, 341097, 682194, 1023291, 2046582, 3069873, 6139746, 9209619, 18419238]

約数ペア:

[(1, 18419238), (2, 9209619), (3, 6139746), (6, 3069873), (9, 2046582), (18, 1023291), (27, 682194), (54, 341097), (67, 274914), (81, 227398), (134, 137457), (162, 113699), (201, 91638), (402, 45819), (603, 30546), (1206, 15273), (1697, 10854), (1809, 10182), (3394, 5427), (3618, 5091)]