18421944

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 30826056

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 71, 76, 114, 142, 152, 213, 228, 284, 426, 456, 568, 569, 852, 1138, 1349, 1704, 1707, 2276, 2698, 3414, 4047, 4552, 5396, 6828, 8094, 10792, 10811, 13656, 16188, 21622, 32376, 32433, 40399, 43244, 64866, 80798, 86488, 121197, 129732, 161596, 242394, 259464, 323192, 484788, 767581, 969576, 1535162, 2302743, 3070324, 4605486, 6140648, 9210972, 18421944]

約数ペア:

[(1, 18421944), (2, 9210972), (3, 6140648), (4, 4605486), (6, 3070324), (8, 2302743), (12, 1535162), (19, 969576), (24, 767581), (38, 484788), (57, 323192), (71, 259464), (76, 242394), (114, 161596), (142, 129732), (152, 121197), (213, 86488), (228, 80798), (284, 64866), (426, 43244), (456, 40399), (568, 32433), (569, 32376), (852, 21622), (1138, 16188), (1349, 13656), (1704, 10811), (1707, 10792), (2276, 8094), (2698, 6828), (3414, 5396), (4047, 4552)]