19216305

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1039}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 34444800

約数和(自身を除く): 15228495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 1039, 1233, 2055, 3117, 3699, 5195, 6165, 9351, 15585, 18495, 28053, 46755, 140265, 142343, 427029, 711715, 1281087, 2135145, 3843261, 6405435, 19216305]

約数ペア:

[(1, 19216305), (3, 6405435), (5, 3843261), (9, 2135145), (15, 1281087), (27, 711715), (45, 427029), (135, 142343), (137, 140265), (411, 46755), (685, 28053), (1039, 18495), (1233, 15585), (2055, 9351), (3117, 6165), (3699, 5195)]