19825120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:624

約数の個数: 96

約数和(自身を含む): 55351296

約数和(自身を除く): 35526176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 571, 620, 868, 992, 1085, 1120, 1142, 1240, 1736, 2170, 2284, 2480, 2855, 3472, 3997, 4340, 4568, 4960, 5710, 6944, 7994, 8680, 9136, 11420, 15988, 17360, 17701, 18272, 19985, 22840, 31976, 34720, 35402, 39970, 45680, 63952, 70804, 79940, 88505, 91360, 123907, 127904, 141608, 159880, 177010, 247814, 283216, 319760, 354020, 495628, 566432, 619535, 639520, 708040, 991256, 1239070, 1416080, 1982512, 2478140, 2832160, 3965024, 4956280, 9912560, 19825120]

約数ペア:

[(1, 19825120), (2, 9912560), (4, 4956280), (5, 3965024), (7, 2832160), (8, 2478140), (10, 1982512), (14, 1416080), (16, 1239070), (20, 991256), (28, 708040), (31, 639520), (32, 619535), (35, 566432), (40, 495628), (56, 354020), (62, 319760), (70, 283216), (80, 247814), (112, 177010), (124, 159880), (140, 141608), (155, 127904), (160, 123907), (217, 91360), (224, 88505), (248, 79940), (280, 70804), (310, 63952), (434, 45680), (496, 39970), (560, 35402), (571, 34720), (620, 31976), (868, 22840), (992, 19985), (1085, 18272), (1120, 17701), (1142, 17360), (1240, 15988), (1736, 11420), (2170, 9136), (2284, 8680), (2480, 7994), (2855, 6944), (3472, 5710), (3997, 4960), (4340, 4568)]