19137495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 36578304

約数和(自身を除く): 17440809

約数列:

[1, 3, 5, 13, 15, 17, 23, 39, 51, 65, 69, 85, 115, 195, 221, 251, 255, 299, 345, 391, 663, 753, 897, 1105, 1173, 1255, 1495, 1955, 3263, 3315, 3765, 4267, 4485, 5083, 5773, 5865, 9789, 12801, 15249, 16315, 17319, 21335, 25415, 28865, 48945, 55471, 64005, 75049, 76245, 86595, 98141, 166413, 225147, 277355, 294423, 375245, 490705, 832065, 1125735, 1275833, 1472115, 3827499, 6379165, 19137495]

約数ペア:

[(1, 19137495), (3, 6379165), (5, 3827499), (13, 1472115), (15, 1275833), (17, 1125735), (23, 832065), (39, 490705), (51, 375245), (65, 294423), (69, 277355), (85, 225147), (115, 166413), (195, 98141), (221, 86595), (251, 76245), (255, 75049), (299, 64005), (345, 55471), (391, 48945), (663, 28865), (753, 25415), (897, 21335), (1105, 17319), (1173, 16315), (1255, 15249), (1495, 12801), (1955, 9789), (3263, 5865), (3315, 5773), (3765, 5083), (4267, 4485)]