19893159

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 35970480

約数和(自身を除く): 16077321

約数列:

[1, 3, 9, 11, 13, 29, 33, 39, 41, 87, 99, 117, 123, 143, 169, 261, 319, 369, 377, 429, 451, 507, 533, 957, 1131, 1189, 1287, 1353, 1521, 1599, 1859, 2871, 3393, 3567, 4059, 4147, 4797, 4901, 5577, 5863, 6929, 10701, 12441, 13079, 14703, 15457, 16731, 17589, 20787, 37323, 39237, 44109, 46371, 52767, 53911, 62361, 76219, 117711, 139113, 161733, 170027, 200941, 228657, 485199, 510081, 602823, 685971, 1530243, 1808469, 2210351, 6631053, 19893159]

約数ペア:

[(1, 19893159), (3, 6631053), (9, 2210351), (11, 1808469), (13, 1530243), (29, 685971), (33, 602823), (39, 510081), (41, 485199), (87, 228657), (99, 200941), (117, 170027), (123, 161733), (143, 139113), (169, 117711), (261, 76219), (319, 62361), (369, 53911), (377, 52767), (429, 46371), (451, 44109), (507, 39237), (533, 37323), (957, 20787), (1131, 17589), (1189, 16731), (1287, 15457), (1353, 14703), (1521, 13079), (1599, 12441), (1859, 10701), (2871, 6929), (3393, 5863), (3567, 5577), (4059, 4901), (4147, 4797)]