19305860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3727}}^1$

素因数の和:3780

約数の個数: 48

約数和(自身を含む): 47599104

約数和(自身を除く): 28293244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3727, 5180, 7454, 14908, 18635, 26089, 37270, 52178, 74540, 104356, 130445, 137899, 260890, 275798, 521780, 551596, 689495, 965293, 1378990, 1930586, 2757980, 3861172, 4826465, 9652930, 19305860]

約数ペア:

[(1, 19305860), (2, 9652930), (4, 4826465), (5, 3861172), (7, 2757980), (10, 1930586), (14, 1378990), (20, 965293), (28, 689495), (35, 551596), (37, 521780), (70, 275798), (74, 260890), (140, 137899), (148, 130445), (185, 104356), (259, 74540), (370, 52178), (518, 37270), (740, 26089), (1036, 18635), (1295, 14908), (2590, 7454), (3727, 5180)]