19350825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 34997760

約数和(自身を除く): 15646935

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 89, 195, 223, 267, 325, 445, 669, 975, 1115, 1157, 1335, 2225, 2899, 3345, 3471, 5575, 5785, 6675, 8697, 14495, 16725, 17355, 19847, 28925, 43485, 59541, 72475, 86775, 99235, 217425, 258011, 297705, 496175, 774033, 1290055, 1488525, 3870165, 6450275, 19350825]

約数ペア:

[(1, 19350825), (3, 6450275), (5, 3870165), (13, 1488525), (15, 1290055), (25, 774033), (39, 496175), (65, 297705), (75, 258011), (89, 217425), (195, 99235), (223, 86775), (267, 72475), (325, 59541), (445, 43485), (669, 28925), (975, 19847), (1115, 17355), (1157, 16725), (1335, 14495), (2225, 8697), (2899, 6675), (3345, 5785), (3471, 5575)]