19190190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 49040640

約数和(自身を除く): 29850450

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 131, 190, 257, 262, 285, 393, 514, 570, 655, 771, 786, 1285, 1310, 1542, 1965, 2489, 2570, 3855, 3930, 4883, 4978, 7467, 7710, 9766, 12445, 14649, 14934, 24415, 24890, 29298, 33667, 37335, 48830, 67334, 73245, 74670, 101001, 146490, 168335, 202002, 336670, 505005, 639673, 1010010, 1279346, 1919019, 3198365, 3838038, 6396730, 9595095, 19190190]

約数ペア:

[(1, 19190190), (2, 9595095), (3, 6396730), (5, 3838038), (6, 3198365), (10, 1919019), (15, 1279346), (19, 1010010), (30, 639673), (38, 505005), (57, 336670), (95, 202002), (114, 168335), (131, 146490), (190, 101001), (257, 74670), (262, 73245), (285, 67334), (393, 48830), (514, 37335), (570, 33667), (655, 29298), (771, 24890), (786, 24415), (1285, 14934), (1310, 14649), (1542, 12445), (1965, 9766), (2489, 7710), (2570, 7467), (3855, 4978), (3930, 4883)]