19930590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{761}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 53766720

約数和(自身を除く): 33836130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 97, 135, 194, 270, 291, 485, 582, 761, 873, 970, 1455, 1522, 1746, 2283, 2619, 2910, 3805, 4365, 4566, 5238, 6849, 7610, 8730, 11415, 13095, 13698, 20547, 22830, 26190, 34245, 41094, 68490, 73817, 102735, 147634, 205470, 221451, 369085, 442902, 664353, 738170, 1107255, 1328706, 1993059, 2214510, 3321765, 3986118, 6643530, 9965295, 19930590]

約数ペア:

[(1, 19930590), (2, 9965295), (3, 6643530), (5, 3986118), (6, 3321765), (9, 2214510), (10, 1993059), (15, 1328706), (18, 1107255), (27, 738170), (30, 664353), (45, 442902), (54, 369085), (90, 221451), (97, 205470), (135, 147634), (194, 102735), (270, 73817), (291, 68490), (485, 41094), (582, 34245), (761, 26190), (873, 22830), (970, 20547), (1455, 13698), (1522, 13095), (1746, 11415), (2283, 8730), (2619, 7610), (2910, 6849), (3805, 5238), (4365, 4566)]