19385780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 46884096

約数和(自身を除く): 27498316

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 37, 46, 67, 68, 74, 85, 92, 115, 134, 148, 170, 185, 230, 268, 335, 340, 370, 391, 460, 629, 670, 740, 782, 851, 1139, 1258, 1340, 1541, 1564, 1702, 1955, 2278, 2479, 2516, 3082, 3145, 3404, 3910, 4255, 4556, 4958, 5695, 6164, 6290, 7705, 7820, 8510, 9916, 11390, 12395, 12580, 14467, 15410, 17020, 22780, 24790, 26197, 28934, 30820, 42143, 49580, 52394, 57017, 57868, 72335, 84286, 104788, 114034, 130985, 144670, 168572, 210715, 228068, 261970, 285085, 289340, 421430, 523940, 570170, 842860, 969289, 1140340, 1938578, 3877156, 4846445, 9692890, 19385780]

約数ペア:

[(1, 19385780), (2, 9692890), (4, 4846445), (5, 3877156), (10, 1938578), (17, 1140340), (20, 969289), (23, 842860), (34, 570170), (37, 523940), (46, 421430), (67, 289340), (68, 285085), (74, 261970), (85, 228068), (92, 210715), (115, 168572), (134, 144670), (148, 130985), (170, 114034), (185, 104788), (230, 84286), (268, 72335), (335, 57868), (340, 57017), (370, 52394), (391, 49580), (460, 42143), (629, 30820), (670, 28934), (740, 26197), (782, 24790), (851, 22780), (1139, 17020), (1258, 15410), (1340, 14467), (1541, 12580), (1564, 12395), (1702, 11390), (1955, 9916), (2278, 8510), (2479, 7820), (2516, 7705), (3082, 6290), (3145, 6164), (3404, 5695), (3910, 4958), (4255, 4556)]