18839415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18485385

約数列:

[1, 3, 5, 7, 15, 21, 23, 29, 35, 69, 87, 105, 115, 145, 161, 203, 269, 345, 435, 483, 609, 667, 805, 807, 1015, 1345, 1883, 2001, 2415, 3045, 3335, 4035, 4669, 5649, 6187, 7801, 9415, 10005, 14007, 18561, 23345, 23403, 28245, 30935, 39005, 43309, 54607, 70035, 92805, 117015, 129927, 163821, 179423, 216545, 273035, 538269, 649635, 819105, 897115, 1255961, 2691345, 3767883, 6279805, 18839415]

約数ペア:

[(1, 18839415), (3, 6279805), (5, 3767883), (7, 2691345), (15, 1255961), (21, 897115), (23, 819105), (29, 649635), (35, 538269), (69, 273035), (87, 216545), (105, 179423), (115, 163821), (145, 129927), (161, 117015), (203, 92805), (269, 70035), (345, 54607), (435, 43309), (483, 39005), (609, 30935), (667, 28245), (805, 23403), (807, 23345), (1015, 18561), (1345, 14007), (1883, 10005), (2001, 9415), (2415, 7801), (3045, 6187), (3335, 5649), (4035, 4669)]