18933480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:440

約数の個数: 128

約数和(自身を含む): 64627200

約数和(自身を除く): 45693720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 216, 235, 270, 282, 360, 373, 376, 423, 470, 540, 564, 705, 746, 846, 940, 1080, 1119, 1128, 1269, 1410, 1492, 1692, 1865, 1880, 2115, 2238, 2538, 2820, 2984, 3357, 3384, 3730, 4230, 4476, 5076, 5595, 5640, 6345, 6714, 7460, 8460, 8952, 10071, 10152, 11190, 12690, 13428, 14920, 16785, 16920, 17531, 20142, 22380, 25380, 26856, 33570, 35062, 40284, 44760, 50355, 50760, 52593, 67140, 70124, 80568, 87655, 100710, 105186, 134280, 140248, 157779, 175310, 201420, 210372, 262965, 315558, 350620, 402840, 420744, 473337, 525930, 631116, 701240, 788895, 946674, 1051860, 1262232, 1577790, 1893348, 2103720, 2366685, 3155580, 3786696, 4733370, 6311160, 9466740, 18933480]

約数ペア:

[(1, 18933480), (2, 9466740), (3, 6311160), (4, 4733370), (5, 3786696), (6, 3155580), (8, 2366685), (9, 2103720), (10, 1893348), (12, 1577790), (15, 1262232), (18, 1051860), (20, 946674), (24, 788895), (27, 701240), (30, 631116), (36, 525930), (40, 473337), (45, 420744), (47, 402840), (54, 350620), (60, 315558), (72, 262965), (90, 210372), (94, 201420), (108, 175310), (120, 157779), (135, 140248), (141, 134280), (180, 105186), (188, 100710), (216, 87655), (235, 80568), (270, 70124), (282, 67140), (360, 52593), (373, 50760), (376, 50355), (423, 44760), (470, 40284), (540, 35062), (564, 33570), (705, 26856), (746, 25380), (846, 22380), (940, 20142), (1080, 17531), (1119, 16920), (1128, 16785), (1269, 14920), (1410, 13428), (1492, 12690), (1692, 11190), (1865, 10152), (1880, 10071), (2115, 8952), (2238, 8460), (2538, 7460), (2820, 6714), (2984, 6345), (3357, 5640), (3384, 5595), (3730, 5076), (4230, 4476)]