19569780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 64471680

約数和(自身を除く): 44901900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 29, 30, 36, 45, 46, 58, 60, 69, 87, 90, 92, 115, 116, 138, 145, 163, 174, 180, 207, 230, 261, 276, 290, 326, 345, 348, 414, 435, 460, 489, 522, 580, 652, 667, 690, 815, 828, 870, 978, 1035, 1044, 1305, 1334, 1380, 1467, 1630, 1740, 1956, 2001, 2070, 2445, 2610, 2668, 2934, 3260, 3335, 3749, 4002, 4140, 4727, 4890, 5220, 5868, 6003, 6670, 7335, 7498, 8004, 9454, 9780, 10005, 11247, 12006, 13340, 14181, 14670, 14996, 18745, 18908, 20010, 22494, 23635, 24012, 28362, 29340, 30015, 33741, 37490, 40020, 42543, 44988, 47270, 56235, 56724, 60030, 67482, 70905, 74980, 85086, 94540, 108721, 112470, 120060, 134964, 141810, 168705, 170172, 212715, 217442, 224940, 283620, 326163, 337410, 425430, 434884, 543605, 652326, 674820, 850860, 978489, 1087210, 1304652, 1630815, 1956978, 2174420, 3261630, 3913956, 4892445, 6523260, 9784890, 19569780]

約数ペア:

[(1, 19569780), (2, 9784890), (3, 6523260), (4, 4892445), (5, 3913956), (6, 3261630), (9, 2174420), (10, 1956978), (12, 1630815), (15, 1304652), (18, 1087210), (20, 978489), (23, 850860), (29, 674820), (30, 652326), (36, 543605), (45, 434884), (46, 425430), (58, 337410), (60, 326163), (69, 283620), (87, 224940), (90, 217442), (92, 212715), (115, 170172), (116, 168705), (138, 141810), (145, 134964), (163, 120060), (174, 112470), (180, 108721), (207, 94540), (230, 85086), (261, 74980), (276, 70905), (290, 67482), (326, 60030), (345, 56724), (348, 56235), (414, 47270), (435, 44988), (460, 42543), (489, 40020), (522, 37490), (580, 33741), (652, 30015), (667, 29340), (690, 28362), (815, 24012), (828, 23635), (870, 22494), (978, 20010), (1035, 18908), (1044, 18745), (1305, 14996), (1334, 14670), (1380, 14181), (1467, 13340), (1630, 12006), (1740, 11247), (1956, 10005), (2001, 9780), (2070, 9454), (2445, 8004), (2610, 7498), (2668, 7335), (2934, 6670), (3260, 6003), (3335, 5868), (3749, 5220), (4002, 4890), (4140, 4727)]