18924165

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 37255680

約数和(自身を除く): 18331515

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 41, 45, 65, 117, 123, 135, 195, 205, 263, 351, 369, 533, 585, 615, 789, 1107, 1315, 1599, 1755, 1845, 2367, 2665, 3419, 3945, 4797, 5535, 7101, 7995, 10257, 10783, 11835, 14391, 17095, 23985, 30771, 32349, 35505, 51285, 53915, 71955, 92313, 97047, 140179, 153855, 161745, 291141, 420537, 461565, 485235, 700895, 1261611, 1455705, 2102685, 3784833, 6308055, 18924165]

約数ペア:

[(1, 18924165), (3, 6308055), (5, 3784833), (9, 2102685), (13, 1455705), (15, 1261611), (27, 700895), (39, 485235), (41, 461565), (45, 420537), (65, 291141), (117, 161745), (123, 153855), (135, 140179), (195, 97047), (205, 92313), (263, 71955), (351, 53915), (369, 51285), (533, 35505), (585, 32349), (615, 30771), (789, 23985), (1107, 17095), (1315, 14391), (1599, 11835), (1755, 10783), (1845, 10257), (2367, 7995), (2665, 7101), (3419, 5535), (3945, 4797)]