31418438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 20421562

約数列:

[1, 2, 19, 31, 38, 62, 149, 179, 298, 358, 589, 1178, 2831, 3401, 4619, 5549, 5662, 6802, 9238, 11098, 26671, 53342, 87761, 105431, 175522, 210862, 506749, 826801, 1013498, 1653602, 15709219, 31418438]

約数ペア:

[(1, 31418438), (2, 15709219), (19, 1653602), (31, 1013498), (38, 826801), (62, 506749), (149, 210862), (179, 175522), (298, 105431), (358, 87761), (589, 53342), (1178, 26671), (2831, 11098), (3401, 9238), (4619, 6802), (5549, 5662)]