19675460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1221

約数の個数: 72

約数和(自身を含む): 50934744

約数和(自身を除く): 31259284

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1181, 1190, 1666, 2362, 2380, 3332, 4165, 4724, 5905, 8267, 8330, 11810, 16534, 16660, 20077, 23620, 33068, 40154, 41335, 57869, 80308, 82670, 100385, 115738, 140539, 165340, 200770, 231476, 281078, 289345, 401540, 562156, 578690, 702695, 983773, 1157380, 1405390, 1967546, 2810780, 3935092, 4918865, 9837730, 19675460]

約数ペア:

[(1, 19675460), (2, 9837730), (4, 4918865), (5, 3935092), (7, 2810780), (10, 1967546), (14, 1405390), (17, 1157380), (20, 983773), (28, 702695), (34, 578690), (35, 562156), (49, 401540), (68, 289345), (70, 281078), (85, 231476), (98, 200770), (119, 165340), (140, 140539), (170, 115738), (196, 100385), (238, 82670), (245, 80308), (340, 57869), (476, 41335), (490, 40154), (595, 33068), (833, 23620), (980, 20077), (1181, 16660), (1190, 16534), (1666, 11810), (2362, 8330), (2380, 8267), (3332, 5905), (4165, 4724)]