18745935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{383}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 13768113

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 251, 383, 753, 1149, 1255, 1915, 3263, 3765, 4979, 5745, 9789, 14937, 16315, 24895, 48945, 74685, 96133, 288399, 480665, 1249729, 1441995, 3749187, 6248645, 18745935]

約数ペア:

[(1, 18745935), (3, 6248645), (5, 3749187), (13, 1441995), (15, 1249729), (39, 480665), (65, 288399), (195, 96133), (251, 74685), (383, 48945), (753, 24895), (1149, 16315), (1255, 14937), (1915, 9789), (3263, 5745), (3765, 4979)]