18835460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 48733440

約数和(自身を除く): 29897980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 73, 76, 95, 97, 133, 140, 146, 190, 194, 266, 292, 365, 380, 388, 485, 511, 532, 665, 679, 730, 970, 1022, 1330, 1358, 1387, 1460, 1843, 1940, 2044, 2555, 2660, 2716, 2774, 3395, 3686, 5110, 5548, 6790, 6935, 7081, 7372, 9215, 9709, 10220, 12901, 13580, 13870, 14162, 18430, 19418, 25802, 27740, 28324, 35405, 36860, 38836, 48545, 49567, 51604, 64505, 70810, 97090, 99134, 129010, 134539, 141620, 194180, 198268, 247835, 258020, 269078, 495670, 538156, 672695, 941773, 991340, 1345390, 1883546, 2690780, 3767092, 4708865, 9417730, 18835460]

約数ペア:

[(1, 18835460), (2, 9417730), (4, 4708865), (5, 3767092), (7, 2690780), (10, 1883546), (14, 1345390), (19, 991340), (20, 941773), (28, 672695), (35, 538156), (38, 495670), (70, 269078), (73, 258020), (76, 247835), (95, 198268), (97, 194180), (133, 141620), (140, 134539), (146, 129010), (190, 99134), (194, 97090), (266, 70810), (292, 64505), (365, 51604), (380, 49567), (388, 48545), (485, 38836), (511, 36860), (532, 35405), (665, 28324), (679, 27740), (730, 25802), (970, 19418), (1022, 18430), (1330, 14162), (1358, 13870), (1387, 13580), (1460, 12901), (1843, 10220), (1940, 9709), (2044, 9215), (2555, 7372), (2660, 7081), (2716, 6935), (2774, 6790), (3395, 5548), (3686, 5110)]