19455420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4567}}^1$

素因数の和:4650

約数の個数: 48

約数和(自身を含む): 55254528

約数和(自身を除く): 35799108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4567, 9134, 13701, 18268, 22835, 27402, 45670, 54804, 68505, 91340, 137010, 274020, 324257, 648514, 972771, 1297028, 1621285, 1945542, 3242570, 3891084, 4863855, 6485140, 9727710, 19455420]

約数ペア:

[(1, 19455420), (2, 9727710), (3, 6485140), (4, 4863855), (5, 3891084), (6, 3242570), (10, 1945542), (12, 1621285), (15, 1297028), (20, 972771), (30, 648514), (60, 324257), (71, 274020), (142, 137010), (213, 91340), (284, 68505), (355, 54804), (426, 45670), (710, 27402), (852, 22835), (1065, 18268), (1420, 13701), (2130, 9134), (4260, 4567)]