18955740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3257}}^1$

素因数の和:3366

約数の個数: 48

約数和(自身を含む): 53639712

約数和(自身を除く): 34683972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 3257, 5820, 6514, 9771, 13028, 16285, 19542, 32570, 39084, 48855, 65140, 97710, 195420, 315929, 631858, 947787, 1263716, 1579645, 1895574, 3159290, 3791148, 4738935, 6318580, 9477870, 18955740]

約数ペア:

[(1, 18955740), (2, 9477870), (3, 6318580), (4, 4738935), (5, 3791148), (6, 3159290), (10, 1895574), (12, 1579645), (15, 1263716), (20, 947787), (30, 631858), (60, 315929), (97, 195420), (194, 97710), (291, 65140), (388, 48855), (485, 39084), (582, 32570), (970, 19542), (1164, 16285), (1455, 13028), (1940, 9771), (2910, 6514), (3257, 5820)]