19255860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 65177280

約数和(自身を除く): 45921420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 169, 180, 195, 211, 234, 260, 270, 338, 351, 390, 422, 468, 507, 540, 585, 633, 676, 702, 780, 844, 845, 1014, 1055, 1170, 1266, 1404, 1521, 1690, 1755, 1899, 2028, 2110, 2340, 2532, 2535, 2743, 3042, 3165, 3380, 3510, 3798, 4220, 4563, 5070, 5486, 5697, 6084, 6330, 7020, 7596, 7605, 8229, 9126, 9495, 10140, 10972, 11394, 12660, 13715, 15210, 16458, 18252, 18990, 22788, 22815, 24687, 27430, 28485, 30420, 32916, 35659, 37980, 41145, 45630, 49374, 54860, 56970, 71318, 74061, 82290, 91260, 98748, 106977, 113940, 123435, 142636, 148122, 164580, 178295, 213954, 246870, 296244, 320931, 356590, 370305, 427908, 493740, 534885, 641862, 713180, 740610, 962793, 1069770, 1283724, 1481220, 1604655, 1925586, 2139540, 3209310, 3851172, 4813965, 6418620, 9627930, 19255860]

約数ペア:

[(1, 19255860), (2, 9627930), (3, 6418620), (4, 4813965), (5, 3851172), (6, 3209310), (9, 2139540), (10, 1925586), (12, 1604655), (13, 1481220), (15, 1283724), (18, 1069770), (20, 962793), (26, 740610), (27, 713180), (30, 641862), (36, 534885), (39, 493740), (45, 427908), (52, 370305), (54, 356590), (60, 320931), (65, 296244), (78, 246870), (90, 213954), (108, 178295), (117, 164580), (130, 148122), (135, 142636), (156, 123435), (169, 113940), (180, 106977), (195, 98748), (211, 91260), (234, 82290), (260, 74061), (270, 71318), (338, 56970), (351, 54860), (390, 49374), (422, 45630), (468, 41145), (507, 37980), (540, 35659), (585, 32916), (633, 30420), (676, 28485), (702, 27430), (780, 24687), (844, 22815), (845, 22788), (1014, 18990), (1055, 18252), (1170, 16458), (1266, 15210), (1404, 13715), (1521, 12660), (1690, 11394), (1755, 10972), (1899, 10140), (2028, 9495), (2110, 9126), (2340, 8229), (2532, 7605), (2535, 7596), (2743, 7020), (3042, 6330), (3165, 6084), (3380, 5697), (3510, 5486), (3798, 5070), (4220, 4563)]