17909820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 58181760

約数和(自身を除く): 40271940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 47, 58, 60, 73, 87, 90, 94, 116, 141, 145, 146, 174, 180, 188, 219, 235, 261, 282, 290, 292, 348, 365, 423, 435, 438, 470, 522, 564, 580, 657, 705, 730, 846, 870, 876, 940, 1044, 1095, 1305, 1314, 1363, 1410, 1460, 1692, 1740, 2115, 2117, 2190, 2610, 2628, 2726, 2820, 3285, 3431, 4089, 4230, 4234, 4380, 5220, 5452, 6351, 6570, 6815, 6862, 8178, 8460, 8468, 10293, 10585, 12267, 12702, 13140, 13630, 13724, 16356, 17155, 19053, 20445, 20586, 21170, 24534, 25404, 27260, 30879, 31755, 34310, 38106, 40890, 41172, 42340, 49068, 51465, 61335, 61758, 63510, 68620, 76212, 81780, 95265, 99499, 102930, 122670, 123516, 127020, 154395, 190530, 198998, 205860, 245340, 298497, 308790, 381060, 397996, 497495, 596994, 617580, 895491, 994990, 1193988, 1492485, 1790982, 1989980, 2984970, 3581964, 4477455, 5969940, 8954910, 17909820]

約数ペア:

[(1, 17909820), (2, 8954910), (3, 5969940), (4, 4477455), (5, 3581964), (6, 2984970), (9, 1989980), (10, 1790982), (12, 1492485), (15, 1193988), (18, 994990), (20, 895491), (29, 617580), (30, 596994), (36, 497495), (45, 397996), (47, 381060), (58, 308790), (60, 298497), (73, 245340), (87, 205860), (90, 198998), (94, 190530), (116, 154395), (141, 127020), (145, 123516), (146, 122670), (174, 102930), (180, 99499), (188, 95265), (219, 81780), (235, 76212), (261, 68620), (282, 63510), (290, 61758), (292, 61335), (348, 51465), (365, 49068), (423, 42340), (435, 41172), (438, 40890), (470, 38106), (522, 34310), (564, 31755), (580, 30879), (657, 27260), (705, 25404), (730, 24534), (846, 21170), (870, 20586), (876, 20445), (940, 19053), (1044, 17155), (1095, 16356), (1305, 13724), (1314, 13630), (1363, 13140), (1410, 12702), (1460, 12267), (1692, 10585), (1740, 10293), (2115, 8468), (2117, 8460), (2190, 8178), (2610, 6862), (2628, 6815), (2726, 6570), (2820, 6351), (3285, 5452), (3431, 5220), (4089, 4380), (4230, 4234)]