18509150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 38153808

約数和(自身を除く): 19644658

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 73, 110, 146, 275, 365, 461, 550, 730, 803, 922, 1606, 1825, 2305, 3650, 4015, 4610, 5071, 8030, 10142, 11525, 20075, 23050, 25355, 33653, 40150, 50710, 67306, 126775, 168265, 253550, 336530, 370183, 740366, 841325, 1682650, 1850915, 3701830, 9254575, 18509150]

約数ペア:

[(1, 18509150), (2, 9254575), (5, 3701830), (10, 1850915), (11, 1682650), (22, 841325), (25, 740366), (50, 370183), (55, 336530), (73, 253550), (110, 168265), (146, 126775), (275, 67306), (365, 50710), (461, 40150), (550, 33653), (730, 25355), (803, 23050), (922, 20075), (1606, 11525), (1825, 10142), (2305, 8030), (3650, 5071), (4015, 4610)]