19417580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 51480576

約数和(自身を除く): 32062996

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 47, 52, 65, 70, 91, 94, 130, 140, 182, 188, 227, 235, 260, 329, 364, 454, 455, 470, 611, 658, 908, 910, 940, 1135, 1222, 1316, 1589, 1645, 1820, 2270, 2444, 2951, 3055, 3178, 3290, 4277, 4540, 5902, 6110, 6356, 6580, 7945, 8554, 10669, 11804, 12220, 14755, 15890, 17108, 20657, 21338, 21385, 29510, 31780, 41314, 42676, 42770, 53345, 59020, 74683, 82628, 85540, 103285, 106690, 138697, 149366, 206570, 213380, 277394, 298732, 373415, 413140, 554788, 693485, 746830, 970879, 1386970, 1493660, 1941758, 2773940, 3883516, 4854395, 9708790, 19417580]

約数ペア:

[(1, 19417580), (2, 9708790), (4, 4854395), (5, 3883516), (7, 2773940), (10, 1941758), (13, 1493660), (14, 1386970), (20, 970879), (26, 746830), (28, 693485), (35, 554788), (47, 413140), (52, 373415), (65, 298732), (70, 277394), (91, 213380), (94, 206570), (130, 149366), (140, 138697), (182, 106690), (188, 103285), (227, 85540), (235, 82628), (260, 74683), (329, 59020), (364, 53345), (454, 42770), (455, 42676), (470, 41314), (611, 31780), (658, 29510), (908, 21385), (910, 21338), (940, 20657), (1135, 17108), (1222, 15890), (1316, 14755), (1589, 12220), (1645, 11804), (1820, 10669), (2270, 8554), (2444, 7945), (2951, 6580), (3055, 6356), (3178, 6110), (3290, 5902), (4277, 4540)]