18366991820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{3823}}^1$

素因数の和:4167

約数の個数: 96

約数和(自身を含む): 41629593600

約数和(自身を除く): 23262601780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 269, 380, 470, 538, 893, 940, 1076, 1345, 1786, 2690, 3572, 3823, 4465, 5111, 5380, 7646, 8930, 10222, 12643, 15292, 17860, 19115, 20444, 25286, 25555, 38230, 50572, 51110, 63215, 72637, 76460, 102220, 126430, 145274, 179681, 240217, 252860, 290548, 359362, 363185, 480434, 718724, 726370, 898405, 960868, 1028387, 1201085, 1452740, 1796810, 2056774, 2402170, 3413939, 3593620, 4113548, 4804340, 5141935, 6827878, 10283870, 13655756, 17069695, 19539353, 20567740, 34139390, 39078706, 48334189, 68278780, 78157412, 96668378, 97696765, 193336756, 195393530, 241670945, 390787060, 483341890, 918349591, 966683780, 1836699182, 3673398364, 4591747955, 9183495910, 18366991820]

約数ペア:

[(1, 18366991820), (2, 9183495910), (4, 4591747955), (5, 3673398364), (10, 1836699182), (19, 966683780), (20, 918349591), (38, 483341890), (47, 390787060), (76, 241670945), (94, 195393530), (95, 193336756), (188, 97696765), (190, 96668378), (235, 78157412), (269, 68278780), (380, 48334189), (470, 39078706), (538, 34139390), (893, 20567740), (940, 19539353), (1076, 17069695), (1345, 13655756), (1786, 10283870), (2690, 6827878), (3572, 5141935), (3823, 4804340), (4465, 4113548), (5111, 3593620), (5380, 3413939), (7646, 2402170), (8930, 2056774), (10222, 1796810), (12643, 1452740), (15292, 1201085), (17860, 1028387), (19115, 960868), (20444, 898405), (25286, 726370), (25555, 718724), (38230, 480434), (50572, 363185), (51110, 359362), (63215, 290548), (72637, 252860), (76460, 240217), (102220, 179681), (126430, 145274)]