18653320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 50561280

約数和(自身を除く): 31907960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 307, 310, 392, 434, 490, 614, 620, 868, 980, 1085, 1228, 1240, 1519, 1535, 1736, 1960, 2149, 2170, 2456, 3038, 3070, 4298, 4340, 6076, 6140, 7595, 8596, 8680, 9517, 10745, 12152, 12280, 15043, 15190, 17192, 19034, 21490, 30086, 30380, 38068, 42980, 47585, 60172, 60760, 66619, 75215, 76136, 85960, 95170, 120344, 133238, 150430, 190340, 266476, 300860, 333095, 380680, 466333, 532952, 601720, 666190, 932666, 1332380, 1865332, 2331665, 2664760, 3730664, 4663330, 9326660, 18653320]

約数ペア:

[(1, 18653320), (2, 9326660), (4, 4663330), (5, 3730664), (7, 2664760), (8, 2331665), (10, 1865332), (14, 1332380), (20, 932666), (28, 666190), (31, 601720), (35, 532952), (40, 466333), (49, 380680), (56, 333095), (62, 300860), (70, 266476), (98, 190340), (124, 150430), (140, 133238), (155, 120344), (196, 95170), (217, 85960), (245, 76136), (248, 75215), (280, 66619), (307, 60760), (310, 60172), (392, 47585), (434, 42980), (490, 38068), (614, 30380), (620, 30086), (868, 21490), (980, 19034), (1085, 17192), (1228, 15190), (1240, 15043), (1519, 12280), (1535, 12152), (1736, 10745), (1960, 9517), (2149, 8680), (2170, 8596), (2456, 7595), (3038, 6140), (3070, 6076), (4298, 4340)]