19657875

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 35942400

約数和(自身を除く): 16284525

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 75, 89, 93, 95, 125, 155, 267, 285, 375, 445, 465, 475, 589, 775, 1335, 1425, 1691, 1767, 2225, 2325, 2375, 2759, 2945, 3875, 5073, 6675, 7125, 8277, 8455, 8835, 11125, 11625, 13795, 14725, 25365, 33375, 41385, 42275, 44175, 52421, 68975, 73625, 126825, 157263, 206925, 211375, 220875, 262105, 344875, 634125, 786315, 1034625, 1310525, 3931575, 6552625, 19657875]

約数ペア:

[(1, 19657875), (3, 6552625), (5, 3931575), (15, 1310525), (19, 1034625), (25, 786315), (31, 634125), (57, 344875), (75, 262105), (89, 220875), (93, 211375), (95, 206925), (125, 157263), (155, 126825), (267, 73625), (285, 68975), (375, 52421), (445, 44175), (465, 42275), (475, 41385), (589, 33375), (775, 25365), (1335, 14725), (1425, 13795), (1691, 11625), (1767, 11125), (2225, 8835), (2325, 8455), (2375, 8277), (2759, 7125), (2945, 6675), (3875, 5073)]