19308750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:315

約数の個数: 80

約数和(自身を含む): 50983680

約数和(自身を除く): 31674930

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 125, 150, 190, 250, 271, 285, 375, 475, 542, 570, 625, 750, 813, 950, 1250, 1355, 1425, 1626, 1875, 2375, 2710, 2850, 3750, 4065, 4750, 5149, 6775, 7125, 8130, 10298, 11875, 13550, 14250, 15447, 20325, 23750, 25745, 30894, 33875, 35625, 40650, 51490, 67750, 71250, 77235, 101625, 128725, 154470, 169375, 203250, 257450, 338750, 386175, 508125, 643625, 772350, 1016250, 1287250, 1930875, 3218125, 3861750, 6436250, 9654375, 19308750]

約数ペア:

[(1, 19308750), (2, 9654375), (3, 6436250), (5, 3861750), (6, 3218125), (10, 1930875), (15, 1287250), (19, 1016250), (25, 772350), (30, 643625), (38, 508125), (50, 386175), (57, 338750), (75, 257450), (95, 203250), (114, 169375), (125, 154470), (150, 128725), (190, 101625), (250, 77235), (271, 71250), (285, 67750), (375, 51490), (475, 40650), (542, 35625), (570, 33875), (625, 30894), (750, 25745), (813, 23750), (950, 20325), (1250, 15447), (1355, 14250), (1425, 13550), (1626, 11875), (1875, 10298), (2375, 8130), (2710, 7125), (2850, 6775), (3750, 5149), (4065, 4750)]