19012460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 42638400

約数和(自身を除く): 23625940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 281, 340, 398, 562, 796, 995, 1124, 1405, 1990, 2810, 3383, 3980, 4777, 5620, 6766, 9554, 13532, 16915, 19108, 23885, 33830, 47770, 55919, 67660, 95540, 111838, 223676, 279595, 559190, 950623, 1118380, 1901246, 3802492, 4753115, 9506230, 19012460]

約数ペア:

[(1, 19012460), (2, 9506230), (4, 4753115), (5, 3802492), (10, 1901246), (17, 1118380), (20, 950623), (34, 559190), (68, 279595), (85, 223676), (170, 111838), (199, 95540), (281, 67660), (340, 55919), (398, 47770), (562, 33830), (796, 23885), (995, 19108), (1124, 16915), (1405, 13532), (1990, 9554), (2810, 6766), (3383, 5620), (3980, 4777)]