19391552

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 56

約数和(自身を含む): 41696640

約数和(自身を除く): 22305088

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 148, 152, 296, 304, 431, 592, 608, 703, 862, 1184, 1216, 1406, 1724, 2368, 2812, 3448, 5624, 6896, 8189, 11248, 13792, 15947, 16378, 22496, 27584, 31894, 32756, 44992, 63788, 65512, 127576, 131024, 255152, 262048, 302993, 510304, 524096, 605986, 1020608, 1211972, 2423944, 4847888, 9695776, 19391552]

約数ペア:

[(1, 19391552), (2, 9695776), (4, 4847888), (8, 2423944), (16, 1211972), (19, 1020608), (32, 605986), (37, 524096), (38, 510304), (64, 302993), (74, 262048), (76, 255152), (148, 131024), (152, 127576), (296, 65512), (304, 63788), (431, 44992), (592, 32756), (608, 31894), (703, 27584), (862, 22496), (1184, 16378), (1216, 15947), (1406, 13792), (1724, 11248), (2368, 8189), (2812, 6896), (3448, 5624)]