18856556745

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{108287}}^1$

素因数の和:108374

約数の個数: 64

約数和(自身を含む): 34929377280

約数和(自身を除く): 16072820535

約数列:

[1, 3, 5, 13, 15, 19, 39, 47, 57, 65, 95, 141, 195, 235, 247, 285, 611, 705, 741, 893, 1235, 1833, 2679, 3055, 3705, 4465, 9165, 11609, 13395, 34827, 58045, 108287, 174135, 324861, 541435, 1407731, 1624305, 2057453, 4223193, 5089489, 6172359, 7038655, 10287265, 15268467, 21115965, 25447445, 26746889, 30861795, 66163357, 76342335, 80240667, 96700291, 133734445, 198490071, 290100873, 330816785, 401203335, 483501455, 992450355, 1257103783, 1450504365, 3771311349, 6285518915, 18856556745]

約数ペア:

[(1, 18856556745), (3, 6285518915), (5, 3771311349), (13, 1450504365), (15, 1257103783), (19, 992450355), (39, 483501455), (47, 401203335), (57, 330816785), (65, 290100873), (95, 198490071), (141, 133734445), (195, 96700291), (235, 80240667), (247, 76342335), (285, 66163357), (611, 30861795), (705, 26746889), (741, 25447445), (893, 21115965), (1235, 15268467), (1833, 10287265), (2679, 7038655), (3055, 6172359), (3705, 5089489), (4465, 4223193), (9165, 2057453), (11609, 1624305), (13395, 1407731), (34827, 541435), (58045, 324861), (108287, 174135)]