17957660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 46717440

約数和(自身を除く): 28759780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 43, 70, 76, 86, 95, 133, 140, 157, 172, 190, 215, 266, 301, 314, 380, 430, 532, 602, 628, 665, 785, 817, 860, 1099, 1204, 1330, 1505, 1570, 1634, 2198, 2660, 2983, 3010, 3140, 3268, 4085, 4396, 5495, 5719, 5966, 6020, 6751, 8170, 10990, 11438, 11932, 13502, 14915, 16340, 20881, 21980, 22876, 27004, 28595, 29830, 33755, 41762, 47257, 57190, 59660, 67510, 83524, 94514, 104405, 114380, 128269, 135020, 189028, 208810, 236285, 256538, 417620, 472570, 513076, 641345, 897883, 945140, 1282690, 1795766, 2565380, 3591532, 4489415, 8978830, 17957660]

約数ペア:

[(1, 17957660), (2, 8978830), (4, 4489415), (5, 3591532), (7, 2565380), (10, 1795766), (14, 1282690), (19, 945140), (20, 897883), (28, 641345), (35, 513076), (38, 472570), (43, 417620), (70, 256538), (76, 236285), (86, 208810), (95, 189028), (133, 135020), (140, 128269), (157, 114380), (172, 104405), (190, 94514), (215, 83524), (266, 67510), (301, 59660), (314, 57190), (380, 47257), (430, 41762), (532, 33755), (602, 29830), (628, 28595), (665, 27004), (785, 22876), (817, 21980), (860, 20881), (1099, 16340), (1204, 14915), (1330, 13502), (1505, 11932), (1570, 11438), (1634, 10990), (2198, 8170), (2660, 6751), (2983, 6020), (3010, 5966), (3140, 5719), (3268, 5495), (4085, 4396)]