19443195

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 35717760

約数和(自身を除く): 16274565

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 235, 261, 317, 423, 435, 705, 951, 1305, 1363, 1585, 2115, 2853, 4089, 4755, 6815, 9193, 12267, 14265, 14899, 20445, 27579, 44697, 45965, 61335, 74495, 82737, 134091, 137895, 223485, 413685, 432071, 670455, 1296213, 2160355, 3888639, 6481065, 19443195]

約数ペア:

[(1, 19443195), (3, 6481065), (5, 3888639), (9, 2160355), (15, 1296213), (29, 670455), (45, 432071), (47, 413685), (87, 223485), (141, 137895), (145, 134091), (235, 82737), (261, 74495), (317, 61335), (423, 45965), (435, 44697), (705, 27579), (951, 20445), (1305, 14899), (1363, 14265), (1585, 12267), (2115, 9193), (2853, 6815), (4089, 4755)]