18852736

素因数分解:

$2^7\times 7^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 43843680

約数和(自身を除く): 24990944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 371, 397, 424, 448, 742, 794, 848, 896, 1484, 1588, 1696, 2779, 2968, 3176, 3392, 5558, 5936, 6352, 6784, 11116, 11872, 12704, 21041, 22232, 23744, 25408, 42082, 44464, 47488, 50816, 84164, 88928, 147287, 168328, 177856, 294574, 336656, 355712, 589148, 673312, 1178296, 1346624, 2356592, 2693248, 4713184, 9426368, 18852736]

約数ペア:

[(1, 18852736), (2, 9426368), (4, 4713184), (7, 2693248), (8, 2356592), (14, 1346624), (16, 1178296), (28, 673312), (32, 589148), (53, 355712), (56, 336656), (64, 294574), (106, 177856), (112, 168328), (128, 147287), (212, 88928), (224, 84164), (371, 50816), (397, 47488), (424, 44464), (448, 42082), (742, 25408), (794, 23744), (848, 22232), (896, 21041), (1484, 12704), (1588, 11872), (1696, 11116), (2779, 6784), (2968, 6352), (3176, 5936), (3392, 5558)]