19691250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 80

約数和(自身を含む): 50608800

約数和(自身を除く): 30917550

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 59, 75, 89, 118, 125, 150, 177, 178, 250, 267, 295, 354, 375, 445, 534, 590, 625, 750, 885, 890, 1250, 1335, 1475, 1770, 1875, 2225, 2670, 2950, 3750, 4425, 4450, 5251, 6675, 7375, 8850, 10502, 11125, 13350, 14750, 15753, 22125, 22250, 26255, 31506, 33375, 36875, 44250, 52510, 55625, 66750, 73750, 78765, 110625, 111250, 131275, 157530, 166875, 221250, 262550, 333750, 393825, 656375, 787650, 1312750, 1969125, 3281875, 3938250, 6563750, 9845625, 19691250]

約数ペア:

[(1, 19691250), (2, 9845625), (3, 6563750), (5, 3938250), (6, 3281875), (10, 1969125), (15, 1312750), (25, 787650), (30, 656375), (50, 393825), (59, 333750), (75, 262550), (89, 221250), (118, 166875), (125, 157530), (150, 131275), (177, 111250), (178, 110625), (250, 78765), (267, 73750), (295, 66750), (354, 55625), (375, 52510), (445, 44250), (534, 36875), (590, 33375), (625, 31506), (750, 26255), (885, 22250), (890, 22125), (1250, 15753), (1335, 14750), (1475, 13350), (1770, 11125), (1875, 10502), (2225, 8850), (2670, 7375), (2950, 6675), (3750, 5251), (4425, 4450)]