19196145

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1091}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 36796032

約数和(自身を除く): 17599887

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1091, 1173, 1955, 3273, 3519, 5455, 5865, 9819, 16365, 17595, 18547, 25093, 49095, 55641, 75279, 92735, 125465, 166923, 225837, 278205, 376395, 426581, 834615, 1129185, 1279743, 2132905, 3839229, 6398715, 19196145]

約数ペア:

[(1, 19196145), (3, 6398715), (5, 3839229), (9, 2132905), (15, 1279743), (17, 1129185), (23, 834615), (45, 426581), (51, 376395), (69, 278205), (85, 225837), (115, 166923), (153, 125465), (207, 92735), (255, 75279), (345, 55641), (391, 49095), (765, 25093), (1035, 18547), (1091, 17595), (1173, 16365), (1955, 9819), (3273, 5865), (3519, 5455)]