18213760

素因数分解:

$2^7\times 5^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 25850240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 191, 298, 320, 382, 596, 640, 745, 764, 955, 1192, 1490, 1528, 1910, 2384, 2980, 3056, 3820, 4768, 5960, 6112, 7640, 9536, 11920, 12224, 15280, 19072, 23840, 24448, 28459, 30560, 47680, 56918, 61120, 95360, 113836, 122240, 142295, 227672, 284590, 455344, 569180, 910688, 1138360, 1821376, 2276720, 3642752, 4553440, 9106880, 18213760]

約数ペア:

[(1, 18213760), (2, 9106880), (4, 4553440), (5, 3642752), (8, 2276720), (10, 1821376), (16, 1138360), (20, 910688), (32, 569180), (40, 455344), (64, 284590), (80, 227672), (128, 142295), (149, 122240), (160, 113836), (191, 95360), (298, 61120), (320, 56918), (382, 47680), (596, 30560), (640, 28459), (745, 24448), (764, 23840), (955, 19072), (1192, 15280), (1490, 12224), (1528, 11920), (1910, 9536), (2384, 7640), (2980, 6112), (3056, 5960), (3820, 4768)]