19500150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1831}}^1$

素因数の和:1917

約数の個数: 48

約数和(自身を含む): 49068288

約数和(自身を除く): 29568138

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 142, 150, 213, 355, 426, 710, 1065, 1775, 1831, 2130, 3550, 3662, 5325, 5493, 9155, 10650, 10986, 18310, 27465, 45775, 54930, 91550, 130001, 137325, 260002, 274650, 390003, 650005, 780006, 1300010, 1950015, 3250025, 3900030, 6500050, 9750075, 19500150]

約数ペア:

[(1, 19500150), (2, 9750075), (3, 6500050), (5, 3900030), (6, 3250025), (10, 1950015), (15, 1300010), (25, 780006), (30, 650005), (50, 390003), (71, 274650), (75, 260002), (142, 137325), (150, 130001), (213, 91550), (355, 54930), (426, 45775), (710, 27465), (1065, 18310), (1775, 10986), (1831, 10650), (2130, 9155), (3550, 5493), (3662, 5325)]