17966690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 38928384

約数和(自身を除く): 20961694

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 47, 70, 86, 94, 127, 215, 235, 254, 301, 329, 430, 470, 602, 635, 658, 889, 1270, 1505, 1645, 1778, 2021, 3010, 3290, 4042, 4445, 5461, 5969, 8890, 10105, 10922, 11938, 14147, 20210, 27305, 28294, 29845, 38227, 41783, 54610, 59690, 70735, 76454, 83566, 141470, 191135, 208915, 256667, 382270, 417830, 513334, 1283335, 1796669, 2566670, 3593338, 8983345, 17966690]

約数ペア:

[(1, 17966690), (2, 8983345), (5, 3593338), (7, 2566670), (10, 1796669), (14, 1283335), (35, 513334), (43, 417830), (47, 382270), (70, 256667), (86, 208915), (94, 191135), (127, 141470), (215, 83566), (235, 76454), (254, 70735), (301, 59690), (329, 54610), (430, 41783), (470, 38227), (602, 29845), (635, 28294), (658, 27305), (889, 20210), (1270, 14147), (1505, 11938), (1645, 10922), (1778, 10105), (2021, 8890), (3010, 5969), (3290, 5461), (4042, 4445)]