19939320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:685

約数の個数: 96

約数和(自身を含む): 65585520

約数和(自身を除く): 45646200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 571, 582, 776, 873, 970, 1142, 1164, 1455, 1713, 1746, 1940, 2284, 2328, 2855, 2910, 3426, 3492, 3880, 4365, 4568, 5139, 5710, 5820, 6852, 6984, 8565, 8730, 10278, 11420, 11640, 13704, 17130, 17460, 20556, 22840, 25695, 34260, 34920, 41112, 51390, 55387, 68520, 102780, 110774, 166161, 205560, 221548, 276935, 332322, 443096, 498483, 553870, 664644, 830805, 996966, 1107740, 1329288, 1661610, 1993932, 2215480, 2492415, 3323220, 3987864, 4984830, 6646440, 9969660, 19939320]

約数ペア:

[(1, 19939320), (2, 9969660), (3, 6646440), (4, 4984830), (5, 3987864), (6, 3323220), (8, 2492415), (9, 2215480), (10, 1993932), (12, 1661610), (15, 1329288), (18, 1107740), (20, 996966), (24, 830805), (30, 664644), (36, 553870), (40, 498483), (45, 443096), (60, 332322), (72, 276935), (90, 221548), (97, 205560), (120, 166161), (180, 110774), (194, 102780), (291, 68520), (360, 55387), (388, 51390), (485, 41112), (571, 34920), (582, 34260), (776, 25695), (873, 22840), (970, 20556), (1142, 17460), (1164, 17130), (1455, 13704), (1713, 11640), (1746, 11420), (1940, 10278), (2284, 8730), (2328, 8565), (2855, 6984), (2910, 6852), (3426, 5820), (3492, 5710), (3880, 5139), (4365, 4568)]