19021700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 43637832

約数和(自身を除く): 24616132

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 53, 74, 97, 100, 106, 148, 185, 194, 212, 265, 370, 388, 485, 530, 740, 925, 970, 1060, 1325, 1850, 1940, 1961, 2425, 2650, 3589, 3700, 3922, 4850, 5141, 5300, 7178, 7844, 9700, 9805, 10282, 14356, 17945, 19610, 20564, 25705, 35890, 39220, 49025, 51410, 71780, 89725, 98050, 102820, 128525, 179450, 190217, 196100, 257050, 358900, 380434, 514100, 760868, 951085, 1902170, 3804340, 4755425, 9510850, 19021700]

約数ペア:

[(1, 19021700), (2, 9510850), (4, 4755425), (5, 3804340), (10, 1902170), (20, 951085), (25, 760868), (37, 514100), (50, 380434), (53, 358900), (74, 257050), (97, 196100), (100, 190217), (106, 179450), (148, 128525), (185, 102820), (194, 98050), (212, 89725), (265, 71780), (370, 51410), (388, 49025), (485, 39220), (530, 35890), (740, 25705), (925, 20564), (970, 19610), (1060, 17945), (1325, 14356), (1850, 10282), (1940, 9805), (1961, 9700), (2425, 7844), (2650, 7178), (3589, 5300), (3700, 5141), (3922, 4850)]