18666050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{47}}^2$

素因数の和:132

約数の個数: 54

約数和(自身を含む): 38411883

約数和(自身を除く): 19745833

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 94, 130, 169, 235, 325, 338, 470, 611, 650, 845, 1175, 1222, 1690, 2209, 2350, 3055, 4225, 4418, 6110, 7943, 8450, 11045, 15275, 15886, 22090, 28717, 30550, 39715, 55225, 57434, 79430, 110450, 143585, 198575, 287170, 373321, 397150, 717925, 746642, 1435850, 1866605, 3733210, 9333025, 18666050]

約数ペア:

[(1, 18666050), (2, 9333025), (5, 3733210), (10, 1866605), (13, 1435850), (25, 746642), (26, 717925), (47, 397150), (50, 373321), (65, 287170), (94, 198575), (130, 143585), (169, 110450), (235, 79430), (325, 57434), (338, 55225), (470, 39715), (611, 30550), (650, 28717), (845, 22090), (1175, 15886), (1222, 15275), (1690, 11045), (2209, 8450), (2350, 7943), (3055, 6110), (4225, 4418)]