18199264

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 38782800

約数和(自身を除く): 20583536

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 74, 76, 148, 152, 296, 304, 592, 608, 703, 809, 1184, 1406, 1618, 2812, 3236, 5624, 6472, 11248, 12944, 15371, 22496, 25888, 29933, 30742, 59866, 61484, 119732, 122968, 239464, 245936, 478928, 491872, 568727, 957856, 1137454, 2274908, 4549816, 9099632, 18199264]

約数ペア:

[(1, 18199264), (2, 9099632), (4, 4549816), (8, 2274908), (16, 1137454), (19, 957856), (32, 568727), (37, 491872), (38, 478928), (74, 245936), (76, 239464), (148, 122968), (152, 119732), (296, 61484), (304, 59866), (592, 30742), (608, 29933), (703, 25888), (809, 22496), (1184, 15371), (1406, 12944), (1618, 11248), (2812, 6472), (3236, 5624)]