19942380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4817}}^1$

素因数の和:4855

約数の個数: 72

約数和(自身を含む): 63135072

約数和(自身を除く): 43192692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4817, 9634, 14451, 19268, 24085, 28902, 43353, 48170, 57804, 72255, 86706, 96340, 110791, 144510, 173412, 216765, 221582, 289020, 332373, 433530, 443164, 553955, 664746, 867060, 997119, 1107910, 1329492, 1661865, 1994238, 2215820, 3323730, 3988476, 4985595, 6647460, 9971190, 19942380]

約数ペア:

[(1, 19942380), (2, 9971190), (3, 6647460), (4, 4985595), (5, 3988476), (6, 3323730), (9, 2215820), (10, 1994238), (12, 1661865), (15, 1329492), (18, 1107910), (20, 997119), (23, 867060), (30, 664746), (36, 553955), (45, 443164), (46, 433530), (60, 332373), (69, 289020), (90, 221582), (92, 216765), (115, 173412), (138, 144510), (180, 110791), (207, 96340), (230, 86706), (276, 72255), (345, 57804), (414, 48170), (460, 43353), (690, 28902), (828, 24085), (1035, 19268), (1380, 14451), (2070, 9634), (4140, 4817)]