19875996

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 40120164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 61, 63, 84, 108, 122, 126, 183, 189, 244, 252, 366, 378, 427, 431, 549, 732, 756, 854, 862, 1098, 1281, 1293, 1647, 1708, 1724, 2196, 2562, 2586, 3017, 3294, 3843, 3879, 5124, 5172, 6034, 6588, 7686, 7758, 9051, 11529, 11637, 12068, 15372, 15516, 18102, 23058, 23274, 26291, 27153, 36204, 46116, 46548, 52582, 54306, 78873, 81459, 105164, 108612, 157746, 162918, 184037, 236619, 315492, 325836, 368074, 473238, 552111, 709857, 736148, 946476, 1104222, 1419714, 1656333, 2208444, 2839428, 3312666, 4968999, 6625332, 9937998, 19875996]

約数ペア:

[(1, 19875996), (2, 9937998), (3, 6625332), (4, 4968999), (6, 3312666), (7, 2839428), (9, 2208444), (12, 1656333), (14, 1419714), (18, 1104222), (21, 946476), (27, 736148), (28, 709857), (36, 552111), (42, 473238), (54, 368074), (61, 325836), (63, 315492), (84, 236619), (108, 184037), (122, 162918), (126, 157746), (183, 108612), (189, 105164), (244, 81459), (252, 78873), (366, 54306), (378, 52582), (427, 46548), (431, 46116), (549, 36204), (732, 27153), (756, 26291), (854, 23274), (862, 23058), (1098, 18102), (1281, 15516), (1293, 15372), (1647, 12068), (1708, 11637), (1724, 11529), (2196, 9051), (2562, 7758), (2586, 7686), (3017, 6588), (3294, 6034), (3843, 5172), (3879, 5124)]