19288440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 63320400

約数和(自身を除く): 44031960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 131, 180, 262, 360, 393, 409, 524, 655, 786, 818, 1048, 1179, 1227, 1310, 1572, 1636, 1965, 2045, 2358, 2454, 2620, 3144, 3272, 3681, 3930, 4090, 4716, 4908, 5240, 5895, 6135, 7362, 7860, 8180, 9432, 9816, 11790, 12270, 14724, 15720, 16360, 18405, 23580, 24540, 29448, 36810, 47160, 49080, 53579, 73620, 107158, 147240, 160737, 214316, 267895, 321474, 428632, 482211, 535790, 642948, 803685, 964422, 1071580, 1285896, 1607370, 1928844, 2143160, 2411055, 3214740, 3857688, 4822110, 6429480, 9644220, 19288440]

約数ペア:

[(1, 19288440), (2, 9644220), (3, 6429480), (4, 4822110), (5, 3857688), (6, 3214740), (8, 2411055), (9, 2143160), (10, 1928844), (12, 1607370), (15, 1285896), (18, 1071580), (20, 964422), (24, 803685), (30, 642948), (36, 535790), (40, 482211), (45, 428632), (60, 321474), (72, 267895), (90, 214316), (120, 160737), (131, 147240), (180, 107158), (262, 73620), (360, 53579), (393, 49080), (409, 47160), (524, 36810), (655, 29448), (786, 24540), (818, 23580), (1048, 18405), (1179, 16360), (1227, 15720), (1310, 14724), (1572, 12270), (1636, 11790), (1965, 9816), (2045, 9432), (2358, 8180), (2454, 7860), (2620, 7362), (3144, 6135), (3272, 5895), (3681, 5240), (3930, 4908), (4090, 4716)]