19213902

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 45830400

約数和(自身を除く): 26616498

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 61, 114, 122, 171, 183, 307, 342, 366, 513, 549, 614, 921, 1026, 1098, 1159, 1647, 1842, 2318, 2763, 3294, 3477, 5526, 5833, 6954, 8289, 10431, 11666, 16578, 17499, 18727, 20862, 31293, 34998, 37454, 52497, 56181, 62586, 104994, 112362, 157491, 168543, 314982, 337086, 355813, 505629, 711626, 1011258, 1067439, 2134878, 3202317, 6404634, 9606951, 19213902]

約数ペア:

[(1, 19213902), (2, 9606951), (3, 6404634), (6, 3202317), (9, 2134878), (18, 1067439), (19, 1011258), (27, 711626), (38, 505629), (54, 355813), (57, 337086), (61, 314982), (114, 168543), (122, 157491), (171, 112362), (183, 104994), (307, 62586), (342, 56181), (366, 52497), (513, 37454), (549, 34998), (614, 31293), (921, 20862), (1026, 18727), (1098, 17499), (1159, 16578), (1647, 11666), (1842, 10431), (2318, 8289), (2763, 6954), (3294, 5833), (3477, 5526)]