17948980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 27773900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 53, 59, 70, 82, 106, 118, 140, 164, 205, 212, 236, 265, 287, 295, 371, 410, 413, 530, 574, 590, 742, 820, 826, 1060, 1148, 1180, 1435, 1484, 1652, 1855, 2065, 2173, 2419, 2870, 3127, 3710, 4130, 4346, 4838, 5740, 6254, 7420, 8260, 8692, 9676, 10865, 12095, 12508, 15211, 15635, 16933, 21730, 21889, 24190, 30422, 31270, 33866, 43460, 43778, 48380, 60844, 62540, 67732, 76055, 84665, 87556, 109445, 128207, 152110, 169330, 218890, 256414, 304220, 338660, 437780, 512828, 641035, 897449, 1282070, 1794898, 2564140, 3589796, 4487245, 8974490, 17948980]

約数ペア:

[(1, 17948980), (2, 8974490), (4, 4487245), (5, 3589796), (7, 2564140), (10, 1794898), (14, 1282070), (20, 897449), (28, 641035), (35, 512828), (41, 437780), (53, 338660), (59, 304220), (70, 256414), (82, 218890), (106, 169330), (118, 152110), (140, 128207), (164, 109445), (205, 87556), (212, 84665), (236, 76055), (265, 67732), (287, 62540), (295, 60844), (371, 48380), (410, 43778), (413, 43460), (530, 33866), (574, 31270), (590, 30422), (742, 24190), (820, 21889), (826, 21730), (1060, 16933), (1148, 15635), (1180, 15211), (1435, 12508), (1484, 12095), (1652, 10865), (1855, 9676), (2065, 8692), (2173, 8260), (2419, 7420), (2870, 6254), (3127, 5740), (3710, 4838), (4130, 4346)]