19431450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1489}}^1$

素因数の和:1536

約数の個数: 72

約数和(自身を含む): 54042300

約数和(自身を除く): 34610850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 45, 50, 58, 75, 87, 90, 145, 150, 174, 225, 261, 290, 435, 450, 522, 725, 870, 1305, 1450, 1489, 2175, 2610, 2978, 4350, 4467, 6525, 7445, 8934, 13050, 13401, 14890, 22335, 26802, 37225, 43181, 44670, 67005, 74450, 86362, 111675, 129543, 134010, 215905, 223350, 259086, 335025, 388629, 431810, 647715, 670050, 777258, 1079525, 1295430, 1943145, 2159050, 3238575, 3886290, 6477150, 9715725, 19431450]

約数ペア:

[(1, 19431450), (2, 9715725), (3, 6477150), (5, 3886290), (6, 3238575), (9, 2159050), (10, 1943145), (15, 1295430), (18, 1079525), (25, 777258), (29, 670050), (30, 647715), (45, 431810), (50, 388629), (58, 335025), (75, 259086), (87, 223350), (90, 215905), (145, 134010), (150, 129543), (174, 111675), (225, 86362), (261, 74450), (290, 67005), (435, 44670), (450, 43181), (522, 37225), (725, 26802), (870, 22335), (1305, 14890), (1450, 13401), (1489, 13050), (2175, 8934), (2610, 7445), (2978, 6525), (4350, 4467)]