12198190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 24140160

約数和(自身を除く): 11941970

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 109, 155, 190, 218, 310, 361, 545, 589, 722, 1090, 1178, 1805, 2071, 2945, 3379, 3610, 4142, 5890, 6758, 10355, 11191, 16895, 20710, 22382, 33790, 39349, 55955, 64201, 78698, 111910, 128402, 196745, 321005, 393490, 642010, 1219819, 2439638, 6099095, 12198190]

約数ペア:

[(1, 12198190), (2, 6099095), (5, 2439638), (10, 1219819), (19, 642010), (31, 393490), (38, 321005), (62, 196745), (95, 128402), (109, 111910), (155, 78698), (190, 64201), (218, 55955), (310, 39349), (361, 33790), (545, 22382), (589, 20710), (722, 16895), (1090, 11191), (1178, 10355), (1805, 6758), (2071, 5890), (2945, 4142), (3379, 3610)]