18954650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:288

約数の個数: 72

約数和(自身を含む): 41906172

約数和(自身を除く): 22951522

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 121, 130, 143, 241, 242, 275, 286, 325, 482, 550, 605, 650, 715, 1205, 1210, 1430, 1573, 2410, 2651, 3025, 3133, 3146, 3575, 5302, 6025, 6050, 6266, 7150, 7865, 12050, 13255, 15665, 15730, 26510, 29161, 31330, 34463, 39325, 58322, 66275, 68926, 78325, 78650, 132550, 145805, 156650, 172315, 291610, 344630, 379093, 729025, 758186, 861575, 1458050, 1723150, 1895465, 3790930, 9477325, 18954650]

約数ペア:

[(1, 18954650), (2, 9477325), (5, 3790930), (10, 1895465), (11, 1723150), (13, 1458050), (22, 861575), (25, 758186), (26, 729025), (50, 379093), (55, 344630), (65, 291610), (110, 172315), (121, 156650), (130, 145805), (143, 132550), (241, 78650), (242, 78325), (275, 68926), (286, 66275), (325, 58322), (482, 39325), (550, 34463), (605, 31330), (650, 29161), (715, 26510), (1205, 15730), (1210, 15665), (1430, 13255), (1573, 12050), (2410, 7865), (2651, 7150), (3025, 6266), (3133, 6050), (3146, 6025), (3575, 5302)]