19484465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 33384960

約数和(自身を除く): 13900495

約数列:

[1, 5, 7, 11, 13, 17, 35, 55, 65, 77, 85, 91, 119, 143, 187, 221, 229, 385, 455, 595, 715, 935, 1001, 1105, 1145, 1309, 1547, 1603, 2431, 2519, 2977, 3893, 5005, 6545, 7735, 8015, 12155, 12595, 14885, 17017, 17633, 19465, 20839, 27251, 32747, 42823, 50609, 85085, 88165, 104195, 136255, 163735, 214115, 229229, 253045, 299761, 354263, 556699, 1146145, 1498805, 1771315, 2783495, 3896893, 19484465]

約数ペア:

[(1, 19484465), (5, 3896893), (7, 2783495), (11, 1771315), (13, 1498805), (17, 1146145), (35, 556699), (55, 354263), (65, 299761), (77, 253045), (85, 229229), (91, 214115), (119, 163735), (143, 136255), (187, 104195), (221, 88165), (229, 85085), (385, 50609), (455, 42823), (595, 32747), (715, 27251), (935, 20839), (1001, 19465), (1105, 17633), (1145, 17017), (1309, 14885), (1547, 12595), (1603, 12155), (2431, 8015), (2519, 7735), (2977, 6545), (3893, 5005)]