18929789380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{4751}}^1$

素因数の和:4957

約数の個数: 96

約数和(自身を含む): 42046760448

約数和(自身を除く): 23116971068

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 113, 164, 172, 205, 215, 226, 410, 430, 452, 565, 820, 860, 1130, 1763, 2260, 3526, 4633, 4751, 4859, 7052, 8815, 9266, 9502, 9718, 17630, 18532, 19004, 19436, 23165, 23755, 24295, 35260, 46330, 47510, 48590, 92660, 95020, 97180, 194791, 199219, 204293, 389582, 398438, 408586, 536863, 779164, 796876, 817172, 973955, 996095, 1021465, 1073726, 1947910, 1992190, 2042930, 2147452, 2684315, 3895820, 3984380, 4085860, 5368630, 8376013, 10737260, 16752026, 22011383, 23085109, 33504052, 41880065, 44022766, 46170218, 83760130, 88045532, 92340436, 110056915, 115425545, 167520260, 220113830, 230851090, 440227660, 461702180, 946489469, 1892978938, 3785957876, 4732447345, 9464894690, 18929789380]

約数ペア:

[(1, 18929789380), (2, 9464894690), (4, 4732447345), (5, 3785957876), (10, 1892978938), (20, 946489469), (41, 461702180), (43, 440227660), (82, 230851090), (86, 220113830), (113, 167520260), (164, 115425545), (172, 110056915), (205, 92340436), (215, 88045532), (226, 83760130), (410, 46170218), (430, 44022766), (452, 41880065), (565, 33504052), (820, 23085109), (860, 22011383), (1130, 16752026), (1763, 10737260), (2260, 8376013), (3526, 5368630), (4633, 4085860), (4751, 3984380), (4859, 3895820), (7052, 2684315), (8815, 2147452), (9266, 2042930), (9502, 1992190), (9718, 1947910), (17630, 1073726), (18532, 1021465), (19004, 996095), (19436, 973955), (23165, 817172), (23755, 796876), (24295, 779164), (35260, 536863), (46330, 408586), (47510, 398438), (48590, 389582), (92660, 204293), (95020, 199219), (97180, 194791)]