19541790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 52557120

約数和(自身を除く): 33015330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 157, 270, 314, 461, 471, 785, 922, 942, 1383, 1413, 1570, 2305, 2355, 2766, 2826, 4149, 4239, 4610, 4710, 6915, 7065, 8298, 8478, 12447, 13830, 14130, 20745, 21195, 24894, 41490, 42390, 62235, 72377, 124470, 144754, 217131, 361885, 434262, 651393, 723770, 1085655, 1302786, 1954179, 2171310, 3256965, 3908358, 6513930, 9770895, 19541790]

約数ペア:

[(1, 19541790), (2, 9770895), (3, 6513930), (5, 3908358), (6, 3256965), (9, 2171310), (10, 1954179), (15, 1302786), (18, 1085655), (27, 723770), (30, 651393), (45, 434262), (54, 361885), (90, 217131), (135, 144754), (157, 124470), (270, 72377), (314, 62235), (461, 42390), (471, 41490), (785, 24894), (922, 21195), (942, 20745), (1383, 14130), (1413, 13830), (1570, 12447), (2305, 8478), (2355, 8298), (2766, 7065), (2826, 6915), (4149, 4710), (4239, 4610)]