18986624

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 41085600

約数和(自身を除く): 22098976

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 128, 148, 152, 211, 296, 304, 422, 592, 608, 703, 844, 1184, 1216, 1406, 1688, 2368, 2432, 2812, 3376, 4009, 4736, 5624, 6752, 7807, 8018, 11248, 13504, 15614, 16036, 22496, 27008, 31228, 32072, 44992, 62456, 64144, 89984, 124912, 128288, 148333, 249824, 256576, 296666, 499648, 513152, 593332, 999296, 1186664, 2373328, 4746656, 9493312, 18986624]

約数ペア:

[(1, 18986624), (2, 9493312), (4, 4746656), (8, 2373328), (16, 1186664), (19, 999296), (32, 593332), (37, 513152), (38, 499648), (64, 296666), (74, 256576), (76, 249824), (128, 148333), (148, 128288), (152, 124912), (211, 89984), (296, 64144), (304, 62456), (422, 44992), (592, 32072), (608, 31228), (703, 27008), (844, 22496), (1184, 16036), (1216, 15614), (1406, 13504), (1688, 11248), (2368, 8018), (2432, 7807), (2812, 6752), (3376, 5624), (4009, 4736)]