19920550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1613}}^1$

素因数の和:1657

約数の個数: 48

約数和(自身を含む): 42028560

約数和(自身を除く): 22108010

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 1613, 2470, 3226, 6175, 8065, 12350, 16130, 20969, 30647, 40325, 41938, 61294, 80650, 104845, 153235, 209690, 306470, 398411, 524225, 766175, 796822, 1048450, 1532350, 1992055, 3984110, 9960275, 19920550]

約数ペア:

[(1, 19920550), (2, 9960275), (5, 3984110), (10, 1992055), (13, 1532350), (19, 1048450), (25, 796822), (26, 766175), (38, 524225), (50, 398411), (65, 306470), (95, 209690), (130, 153235), (190, 104845), (247, 80650), (325, 61294), (475, 41938), (494, 40325), (650, 30647), (950, 20969), (1235, 16130), (1613, 12350), (2470, 8065), (3226, 6175)]