19312740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5647}}^1$

素因数の和:5681

約数の個数: 72

約数和(自身を含む): 61676160

約数和(自身を除く): 42363420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5647, 11294, 16941, 22588, 28235, 33882, 50823, 56470, 67764, 84705, 101646, 107293, 112940, 169410, 203292, 214586, 254115, 321879, 338820, 429172, 508230, 536465, 643758, 965637, 1016460, 1072930, 1287516, 1609395, 1931274, 2145860, 3218790, 3862548, 4828185, 6437580, 9656370, 19312740]

約数ペア:

[(1, 19312740), (2, 9656370), (3, 6437580), (4, 4828185), (5, 3862548), (6, 3218790), (9, 2145860), (10, 1931274), (12, 1609395), (15, 1287516), (18, 1072930), (19, 1016460), (20, 965637), (30, 643758), (36, 536465), (38, 508230), (45, 429172), (57, 338820), (60, 321879), (76, 254115), (90, 214586), (95, 203292), (114, 169410), (171, 112940), (180, 107293), (190, 101646), (228, 84705), (285, 67764), (342, 56470), (380, 50823), (570, 33882), (684, 28235), (855, 22588), (1140, 16941), (1710, 11294), (3420, 5647)]