18965440235

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^2$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 28757514240

約数和(自身を除く): 9792074005

約数列:

[1, 5, 7, 19, 35, 47, 53, 95, 107, 133, 235, 265, 329, 371, 535, 665, 749, 893, 1007, 1645, 1855, 2033, 2491, 3745, 4465, 5029, 5035, 5671, 6251, 7049, 10165, 11449, 12455, 14231, 17437, 25145, 28355, 31255, 35203, 35245, 39697, 47329, 57245, 71155, 80143, 87185, 95551, 107749, 176015, 198485, 217531, 236645, 266537, 331303, 400715, 477755, 538103, 538745, 606797, 668857, 754243, 1087655, 1332685, 1522717, 1656515, 1865759, 2690515, 3033985, 3344285, 3766721, 3771215, 4247579, 5064203, 7613585, 9328795, 10223957, 11529143, 18833605, 21237895, 25321015, 28519459, 35449421, 51119785, 57645715, 71567699, 80704001, 142597295, 177247105, 199636213, 357838495, 403520005, 541869721, 998181065, 2709348605, 3793088047, 18965440235]

約数ペア:

[(1, 18965440235), (5, 3793088047), (7, 2709348605), (19, 998181065), (35, 541869721), (47, 403520005), (53, 357838495), (95, 199636213), (107, 177247105), (133, 142597295), (235, 80704001), (265, 71567699), (329, 57645715), (371, 51119785), (535, 35449421), (665, 28519459), (749, 25321015), (893, 21237895), (1007, 18833605), (1645, 11529143), (1855, 10223957), (2033, 9328795), (2491, 7613585), (3745, 5064203), (4465, 4247579), (5029, 3771215), (5035, 3766721), (5671, 3344285), (6251, 3033985), (7049, 2690515), (10165, 1865759), (11449, 1656515), (12455, 1522717), (14231, 1332685), (17437, 1087655), (25145, 754243), (28355, 668857), (31255, 606797), (35203, 538745), (35245, 538103), (39697, 477755), (47329, 400715), (57245, 331303), (71155, 266537), (80143, 236645), (87185, 217531), (95551, 198485), (107749, 176015)]