20121101878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{773}}^1\times {\mathrm{1049}}^1$

素因数の和:2496

約数の個数: 32

約数和(自身を含む): 31890348000

約数和(自身を除く): 11769246122

約数列:

[1, 2, 19, 38, 653, 773, 1049, 1306, 1546, 2098, 12407, 14687, 19931, 24814, 29374, 39862, 504769, 684997, 810877, 1009538, 1369994, 1621754, 9590611, 13014943, 15406663, 19181222, 26029886, 30813326, 529502681, 1059005362, 10060550939, 20121101878]

約数ペア:

[(1, 20121101878), (2, 10060550939), (19, 1059005362), (38, 529502681), (653, 30813326), (773, 26029886), (1049, 19181222), (1306, 15406663), (1546, 13014943), (2098, 9590611), (12407, 1621754), (14687, 1369994), (19931, 1009538), (24814, 810877), (29374, 684997), (39862, 504769)]