18794970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 50561280

約数和(自身を除く): 31766310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 151, 270, 302, 453, 461, 755, 906, 922, 1359, 1383, 1510, 2265, 2305, 2718, 2766, 4077, 4149, 4530, 4610, 6795, 6915, 8154, 8298, 12447, 13590, 13830, 20385, 20745, 24894, 40770, 41490, 62235, 69611, 124470, 139222, 208833, 348055, 417666, 626499, 696110, 1044165, 1252998, 1879497, 2088330, 3132495, 3758994, 6264990, 9397485, 18794970]

約数ペア:

[(1, 18794970), (2, 9397485), (3, 6264990), (5, 3758994), (6, 3132495), (9, 2088330), (10, 1879497), (15, 1252998), (18, 1044165), (27, 696110), (30, 626499), (45, 417666), (54, 348055), (90, 208833), (135, 139222), (151, 124470), (270, 69611), (302, 62235), (453, 41490), (461, 40770), (755, 24894), (906, 20745), (922, 20385), (1359, 13830), (1383, 13590), (1510, 12447), (2265, 8298), (2305, 8154), (2718, 6915), (2766, 6795), (4077, 4610), (4149, 4530)]