18934980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13721}}^1$

素因数の和:13756

約数の個数: 48

約数和(自身を含む): 55327104

約数和(自身を除く): 36392124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13721, 27442, 41163, 54884, 68605, 82326, 137210, 164652, 205815, 274420, 315583, 411630, 631166, 823260, 946749, 1262332, 1577915, 1893498, 3155830, 3786996, 4733745, 6311660, 9467490, 18934980]

約数ペア:

[(1, 18934980), (2, 9467490), (3, 6311660), (4, 4733745), (5, 3786996), (6, 3155830), (10, 1893498), (12, 1577915), (15, 1262332), (20, 946749), (23, 823260), (30, 631166), (46, 411630), (60, 315583), (69, 274420), (92, 205815), (115, 164652), (138, 137210), (230, 82326), (276, 68605), (345, 54884), (460, 41163), (690, 27442), (1380, 13721)]