19456380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5689}}^1$

素因数の和:5723

約数の個数: 72

約数和(自身を含む): 62134800

約数和(自身を除く): 42678420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5689, 11378, 17067, 22756, 28445, 34134, 51201, 56890, 68268, 85335, 102402, 108091, 113780, 170670, 204804, 216182, 256005, 324273, 341340, 432364, 512010, 540455, 648546, 972819, 1024020, 1080910, 1297092, 1621365, 1945638, 2161820, 3242730, 3891276, 4864095, 6485460, 9728190, 19456380]

約数ペア:

[(1, 19456380), (2, 9728190), (3, 6485460), (4, 4864095), (5, 3891276), (6, 3242730), (9, 2161820), (10, 1945638), (12, 1621365), (15, 1297092), (18, 1080910), (19, 1024020), (20, 972819), (30, 648546), (36, 540455), (38, 512010), (45, 432364), (57, 341340), (60, 324273), (76, 256005), (90, 216182), (95, 204804), (114, 170670), (171, 113780), (180, 108091), (190, 102402), (228, 85335), (285, 68268), (342, 56890), (380, 51201), (570, 34134), (684, 28445), (855, 22756), (1140, 17067), (1710, 11378), (3420, 5689)]