19216220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{829}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 43226400

約数和(自身を除く): 24010180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 829, 1159, 1220, 1658, 2318, 3316, 4145, 4636, 5795, 8290, 11590, 15751, 16580, 23180, 31502, 50569, 63004, 78755, 101138, 157510, 202276, 252845, 315020, 505690, 960811, 1011380, 1921622, 3843244, 4804055, 9608110, 19216220]

約数ペア:

[(1, 19216220), (2, 9608110), (4, 4804055), (5, 3843244), (10, 1921622), (19, 1011380), (20, 960811), (38, 505690), (61, 315020), (76, 252845), (95, 202276), (122, 157510), (190, 101138), (244, 78755), (305, 63004), (380, 50569), (610, 31502), (829, 23180), (1159, 16580), (1220, 15751), (1658, 11590), (2318, 8290), (3316, 5795), (4145, 4636)]