19973535

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 32997888

約数和(自身を除く): 13024353

約数列:

[1, 3, 5, 15, 61, 83, 183, 249, 263, 305, 415, 789, 915, 1245, 1315, 3945, 5063, 15189, 16043, 21829, 25315, 48129, 65487, 75945, 80215, 109145, 240645, 327435, 1331569, 3994707, 6657845, 19973535]

約数ペア:

[(1, 19973535), (3, 6657845), (5, 3994707), (15, 1331569), (61, 327435), (83, 240645), (183, 109145), (249, 80215), (263, 75945), (305, 65487), (415, 48129), (789, 25315), (915, 21829), (1245, 16043), (1315, 15189), (3945, 5063)]