18890816

素因数分解:

$2^6\times 7^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:451

約数の個数: 56

約数和(自身を含む): 43281600

約数和(自身を除く): 24390784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 149, 224, 283, 298, 448, 566, 596, 1043, 1132, 1192, 1981, 2086, 2264, 2384, 3962, 4172, 4528, 4768, 7924, 8344, 9056, 9536, 15848, 16688, 18112, 31696, 33376, 42167, 63392, 66752, 84334, 126784, 168668, 295169, 337336, 590338, 674672, 1180676, 1349344, 2361352, 2698688, 4722704, 9445408, 18890816]

約数ペア:

[(1, 18890816), (2, 9445408), (4, 4722704), (7, 2698688), (8, 2361352), (14, 1349344), (16, 1180676), (28, 674672), (32, 590338), (56, 337336), (64, 295169), (112, 168668), (149, 126784), (224, 84334), (283, 66752), (298, 63392), (448, 42167), (566, 33376), (596, 31696), (1043, 18112), (1132, 16688), (1192, 15848), (1981, 9536), (2086, 9056), (2264, 8344), (2384, 7924), (3962, 4768), (4172, 4528)]