19638036

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 54800928

約数和(自身を除く): 35162892

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 101, 132, 198, 202, 303, 396, 404, 491, 606, 909, 982, 1111, 1212, 1473, 1818, 1964, 2222, 2946, 3333, 3636, 4419, 4444, 5401, 5892, 6666, 8838, 9999, 10802, 13332, 16203, 17676, 19998, 21604, 32406, 39996, 48609, 49591, 64812, 97218, 99182, 148773, 194436, 198364, 297546, 446319, 545501, 595092, 892638, 1091002, 1636503, 1785276, 2182004, 3273006, 4909509, 6546012, 9819018, 19638036]

約数ペア:

[(1, 19638036), (2, 9819018), (3, 6546012), (4, 4909509), (6, 3273006), (9, 2182004), (11, 1785276), (12, 1636503), (18, 1091002), (22, 892638), (33, 595092), (36, 545501), (44, 446319), (66, 297546), (99, 198364), (101, 194436), (132, 148773), (198, 99182), (202, 97218), (303, 64812), (396, 49591), (404, 48609), (491, 39996), (606, 32406), (909, 21604), (982, 19998), (1111, 17676), (1212, 16203), (1473, 13332), (1818, 10802), (1964, 9999), (2222, 8838), (2946, 6666), (3333, 5892), (3636, 5401), (4419, 4444)]