1999332

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 5532800

約数和(自身を除く): 3533468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 79, 111, 114, 148, 158, 171, 222, 228, 237, 316, 333, 342, 444, 474, 666, 684, 703, 711, 948, 1332, 1406, 1422, 1501, 2109, 2812, 2844, 2923, 3002, 4218, 4503, 5846, 6004, 6327, 8436, 8769, 9006, 11692, 12654, 13509, 17538, 18012, 25308, 26307, 27018, 35076, 52614, 54036, 55537, 105228, 111074, 166611, 222148, 333222, 499833, 666444, 999666, 1999332]

約数ペア:

[(1, 1999332), (2, 999666), (3, 666444), (4, 499833), (6, 333222), (9, 222148), (12, 166611), (18, 111074), (19, 105228), (36, 55537), (37, 54036), (38, 52614), (57, 35076), (74, 27018), (76, 26307), (79, 25308), (111, 18012), (114, 17538), (148, 13509), (158, 12654), (171, 11692), (222, 9006), (228, 8769), (237, 8436), (316, 6327), (333, 6004), (342, 5846), (444, 4503), (474, 4218), (666, 3002), (684, 2923), (703, 2844), (711, 2812), (948, 2109), (1332, 1501), (1406, 1422)]