19625325

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 35045376

約数和(自身を除く): 15420051

約数列:

[1, 3, 5, 15, 23, 25, 31, 69, 75, 93, 115, 155, 345, 367, 465, 575, 713, 775, 1101, 1725, 1835, 2139, 2325, 3565, 5505, 8441, 9175, 10695, 11377, 17825, 25323, 27525, 34131, 42205, 53475, 56885, 126615, 170655, 211025, 261671, 284425, 633075, 785013, 853275, 1308355, 3925065, 6541775, 19625325]

約数ペア:

[(1, 19625325), (3, 6541775), (5, 3925065), (15, 1308355), (23, 853275), (25, 785013), (31, 633075), (69, 284425), (75, 261671), (93, 211025), (115, 170655), (155, 126615), (345, 56885), (367, 53475), (465, 42205), (575, 34131), (713, 27525), (775, 25323), (1101, 17825), (1725, 11377), (1835, 10695), (2139, 9175), (2325, 8441), (3565, 5505)]