19868040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{241}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 65122200

約数和(自身を除く): 45254160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 229, 241, 360, 458, 482, 687, 723, 916, 964, 1145, 1205, 1374, 1446, 1832, 1928, 2061, 2169, 2290, 2410, 2748, 2892, 3435, 3615, 4122, 4338, 4580, 4820, 5496, 5784, 6870, 7230, 8244, 8676, 9160, 9640, 10305, 10845, 13740, 14460, 16488, 17352, 20610, 21690, 27480, 28920, 41220, 43380, 55189, 82440, 86760, 110378, 165567, 220756, 275945, 331134, 441512, 496701, 551890, 662268, 827835, 993402, 1103780, 1324536, 1655670, 1986804, 2207560, 2483505, 3311340, 3973608, 4967010, 6622680, 9934020, 19868040]

約数ペア:

[(1, 19868040), (2, 9934020), (3, 6622680), (4, 4967010), (5, 3973608), (6, 3311340), (8, 2483505), (9, 2207560), (10, 1986804), (12, 1655670), (15, 1324536), (18, 1103780), (20, 993402), (24, 827835), (30, 662268), (36, 551890), (40, 496701), (45, 441512), (60, 331134), (72, 275945), (90, 220756), (120, 165567), (180, 110378), (229, 86760), (241, 82440), (360, 55189), (458, 43380), (482, 41220), (687, 28920), (723, 27480), (916, 21690), (964, 20610), (1145, 17352), (1205, 16488), (1374, 14460), (1446, 13740), (1832, 10845), (1928, 10305), (2061, 9640), (2169, 9160), (2290, 8676), (2410, 8244), (2748, 7230), (2892, 6870), (3435, 5784), (3615, 5496), (4122, 4820), (4338, 4580)]