18875950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 37966320

約数和(自身を除く): 19090370

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 53, 85, 106, 170, 265, 419, 425, 530, 838, 850, 901, 1325, 1802, 2095, 2650, 4190, 4505, 7123, 9010, 10475, 14246, 20950, 22207, 22525, 35615, 44414, 45050, 71230, 111035, 178075, 222070, 356150, 377519, 555175, 755038, 1110350, 1887595, 3775190, 9437975, 18875950]

約数ペア:

[(1, 18875950), (2, 9437975), (5, 3775190), (10, 1887595), (17, 1110350), (25, 755038), (34, 555175), (50, 377519), (53, 356150), (85, 222070), (106, 178075), (170, 111035), (265, 71230), (419, 45050), (425, 44414), (530, 35615), (838, 22525), (850, 22207), (901, 20950), (1325, 14246), (1802, 10475), (2095, 9010), (2650, 7123), (4190, 4505)]