19040052

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 48851040

約数和(自身を除く): 29810988

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 61, 74, 76, 111, 114, 122, 148, 183, 222, 228, 244, 366, 444, 703, 732, 1159, 1369, 1406, 2109, 2257, 2318, 2738, 2812, 3477, 4107, 4218, 4514, 4636, 5476, 6771, 6954, 8214, 8436, 9028, 13542, 13908, 16428, 26011, 27084, 42883, 52022, 78033, 83509, 85766, 104044, 128649, 156066, 167018, 171532, 250527, 257298, 312132, 334036, 501054, 514596, 1002108, 1586671, 3173342, 4760013, 6346684, 9520026, 19040052]

約数ペア:

[(1, 19040052), (2, 9520026), (3, 6346684), (4, 4760013), (6, 3173342), (12, 1586671), (19, 1002108), (37, 514596), (38, 501054), (57, 334036), (61, 312132), (74, 257298), (76, 250527), (111, 171532), (114, 167018), (122, 156066), (148, 128649), (183, 104044), (222, 85766), (228, 83509), (244, 78033), (366, 52022), (444, 42883), (703, 27084), (732, 26011), (1159, 16428), (1369, 13908), (1406, 13542), (2109, 9028), (2257, 8436), (2318, 8214), (2738, 6954), (2812, 6771), (3477, 5476), (4107, 4636), (4218, 4514)]