18722600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 49476000

約数和(自身を除く): 30753400

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 130, 152, 190, 200, 247, 260, 325, 379, 380, 475, 494, 520, 650, 758, 760, 950, 988, 1235, 1300, 1516, 1895, 1900, 1976, 2470, 2600, 3032, 3790, 3800, 4927, 4940, 6175, 7201, 7580, 9475, 9854, 9880, 12350, 14402, 15160, 18950, 19708, 24635, 24700, 28804, 36005, 37900, 39416, 49270, 49400, 57608, 72010, 75800, 93613, 98540, 123175, 144020, 180025, 187226, 197080, 246350, 288040, 360050, 374452, 468065, 492700, 720100, 748904, 936130, 985400, 1440200, 1872260, 2340325, 3744520, 4680650, 9361300, 18722600]

約数ペア:

[(1, 18722600), (2, 9361300), (4, 4680650), (5, 3744520), (8, 2340325), (10, 1872260), (13, 1440200), (19, 985400), (20, 936130), (25, 748904), (26, 720100), (38, 492700), (40, 468065), (50, 374452), (52, 360050), (65, 288040), (76, 246350), (95, 197080), (100, 187226), (104, 180025), (130, 144020), (152, 123175), (190, 98540), (200, 93613), (247, 75800), (260, 72010), (325, 57608), (379, 49400), (380, 49270), (475, 39416), (494, 37900), (520, 36005), (650, 28804), (758, 24700), (760, 24635), (950, 19708), (988, 18950), (1235, 15160), (1300, 14402), (1516, 12350), (1895, 9880), (1900, 9854), (1976, 9475), (2470, 7580), (2600, 7201), (3032, 6175), (3790, 4940), (3800, 4927)]