19893285

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 37065600

約数和(自身を除く): 17172315

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 95, 159, 171, 265, 285, 439, 477, 795, 855, 1007, 1317, 2195, 2385, 3021, 3951, 5035, 6585, 8341, 9063, 15105, 19755, 23267, 25023, 41705, 45315, 69801, 75069, 116335, 125115, 209403, 349005, 375345, 442073, 1047015, 1326219, 2210365, 3978657, 6631095, 19893285]

約数ペア:

[(1, 19893285), (3, 6631095), (5, 3978657), (9, 2210365), (15, 1326219), (19, 1047015), (45, 442073), (53, 375345), (57, 349005), (95, 209403), (159, 125115), (171, 116335), (265, 75069), (285, 69801), (439, 45315), (477, 41705), (795, 25023), (855, 23267), (1007, 19755), (1317, 15105), (2195, 9063), (2385, 8341), (3021, 6585), (3951, 5035)]