19918950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{37}}^2\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 72

約数和(自身を含む): 51293592

約数和(自身を除く): 31374642

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 97, 111, 150, 185, 194, 222, 291, 370, 485, 555, 582, 925, 970, 1110, 1369, 1455, 1850, 2425, 2738, 2775, 2910, 3589, 4107, 4850, 5550, 6845, 7178, 7275, 8214, 10767, 13690, 14550, 17945, 20535, 21534, 34225, 35890, 41070, 53835, 68450, 89725, 102675, 107670, 132793, 179450, 205350, 265586, 269175, 398379, 538350, 663965, 796758, 1327930, 1991895, 3319825, 3983790, 6639650, 9959475, 19918950]

約数ペア:

[(1, 19918950), (2, 9959475), (3, 6639650), (5, 3983790), (6, 3319825), (10, 1991895), (15, 1327930), (25, 796758), (30, 663965), (37, 538350), (50, 398379), (74, 269175), (75, 265586), (97, 205350), (111, 179450), (150, 132793), (185, 107670), (194, 102675), (222, 89725), (291, 68450), (370, 53835), (485, 41070), (555, 35890), (582, 34225), (925, 21534), (970, 20535), (1110, 17945), (1369, 14550), (1455, 13690), (1850, 10767), (2425, 8214), (2738, 7275), (2775, 7178), (2910, 6845), (3589, 5550), (4107, 4850)]