19431540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2633}}^1$

素因数の和:2689

約数の個数: 72

約数和(自身を含む): 60402888

約数和(自身を除く): 40971348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2633, 3690, 5266, 7380, 7899, 10532, 13165, 15798, 23697, 26330, 31596, 39495, 47394, 52660, 78990, 94788, 107953, 118485, 157980, 215906, 236970, 323859, 431812, 473940, 539765, 647718, 971577, 1079530, 1295436, 1619295, 1943154, 2159060, 3238590, 3886308, 4857885, 6477180, 9715770, 19431540]

約数ペア:

[(1, 19431540), (2, 9715770), (3, 6477180), (4, 4857885), (5, 3886308), (6, 3238590), (9, 2159060), (10, 1943154), (12, 1619295), (15, 1295436), (18, 1079530), (20, 971577), (30, 647718), (36, 539765), (41, 473940), (45, 431812), (60, 323859), (82, 236970), (90, 215906), (123, 157980), (164, 118485), (180, 107953), (205, 94788), (246, 78990), (369, 52660), (410, 47394), (492, 39495), (615, 31596), (738, 26330), (820, 23697), (1230, 15798), (1476, 13165), (1845, 10532), (2460, 7899), (2633, 7380), (3690, 5266)]