19498440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 45819960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 431, 435, 520, 580, 696, 754, 780, 862, 870, 1131, 1160, 1293, 1508, 1560, 1724, 1740, 1885, 2155, 2262, 2586, 3016, 3448, 3480, 3770, 4310, 4524, 5172, 5603, 5655, 6465, 7540, 8620, 9048, 10344, 11206, 11310, 12499, 12930, 15080, 16809, 17240, 22412, 22620, 24998, 25860, 28015, 33618, 37497, 44824, 45240, 49996, 51720, 56030, 62495, 67236, 74994, 84045, 99992, 112060, 124990, 134472, 149988, 162487, 168090, 187485, 224120, 249980, 299976, 324974, 336180, 374970, 487461, 499960, 649948, 672360, 749940, 812435, 974922, 1299896, 1499880, 1624870, 1949844, 2437305, 3249740, 3899688, 4874610, 6499480, 9749220, 19498440]

約数ペア:

[(1, 19498440), (2, 9749220), (3, 6499480), (4, 4874610), (5, 3899688), (6, 3249740), (8, 2437305), (10, 1949844), (12, 1624870), (13, 1499880), (15, 1299896), (20, 974922), (24, 812435), (26, 749940), (29, 672360), (30, 649948), (39, 499960), (40, 487461), (52, 374970), (58, 336180), (60, 324974), (65, 299976), (78, 249980), (87, 224120), (104, 187485), (116, 168090), (120, 162487), (130, 149988), (145, 134472), (156, 124990), (174, 112060), (195, 99992), (232, 84045), (260, 74994), (290, 67236), (312, 62495), (348, 56030), (377, 51720), (390, 49996), (431, 45240), (435, 44824), (520, 37497), (580, 33618), (696, 28015), (754, 25860), (780, 24998), (862, 22620), (870, 22412), (1131, 17240), (1160, 16809), (1293, 15080), (1508, 12930), (1560, 12499), (1724, 11310), (1740, 11206), (1885, 10344), (2155, 9048), (2262, 8620), (2586, 7540), (3016, 6465), (3448, 5655), (3480, 5603), (3770, 5172), (4310, 4524)]