19378740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4549}}^1$

素因数の和:4632

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 35658060

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, 4549, 9098, 13647, 18196, 22745, 27294, 45490, 54588, 68235, 90980, 136470, 272940, 322979, 645958, 968937, 1291916, 1614895, 1937874, 3229790, 3875748, 4844685, 6459580, 9689370, 19378740]

約数ペア:

[(1, 19378740), (2, 9689370), (3, 6459580), (4, 4844685), (5, 3875748), (6, 3229790), (10, 1937874), (12, 1614895), (15, 1291916), (20, 968937), (30, 645958), (60, 322979), (71, 272940), (142, 136470), (213, 90980), (284, 68235), (355, 54588), (426, 45490), (710, 27294), (852, 22745), (1065, 18196), (1420, 13647), (2130, 9098), (4260, 4549)]