19978386

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1013}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 42344640

約数和(自身を除く): 22366254

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 173, 346, 519, 1013, 1038, 2026, 3039, 3287, 6078, 6574, 9861, 19247, 19722, 38494, 57741, 115482, 175249, 350498, 525747, 1051494, 3329731, 6659462, 9989193, 19978386]

約数ペア:

[(1, 19978386), (2, 9989193), (3, 6659462), (6, 3329731), (19, 1051494), (38, 525747), (57, 350498), (114, 175249), (173, 115482), (346, 57741), (519, 38494), (1013, 19722), (1038, 19247), (2026, 9861), (3039, 6574), (3287, 6078)]