18935370

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:357

約数の個数: 80

約数和(自身を含む): 51653448

約数和(自身を除く): 32718078

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 97, 135, 162, 194, 241, 270, 291, 405, 482, 485, 582, 723, 810, 873, 970, 1205, 1446, 1455, 1746, 2169, 2410, 2619, 2910, 3615, 4338, 4365, 5238, 6507, 7230, 7857, 8730, 10845, 13014, 13095, 15714, 19521, 21690, 23377, 26190, 32535, 39042, 39285, 46754, 65070, 70131, 78570, 97605, 116885, 140262, 195210, 210393, 233770, 350655, 420786, 631179, 701310, 1051965, 1262358, 1893537, 2103930, 3155895, 3787074, 6311790, 9467685, 18935370]

約数ペア:

[(1, 18935370), (2, 9467685), (3, 6311790), (5, 3787074), (6, 3155895), (9, 2103930), (10, 1893537), (15, 1262358), (18, 1051965), (27, 701310), (30, 631179), (45, 420786), (54, 350655), (81, 233770), (90, 210393), (97, 195210), (135, 140262), (162, 116885), (194, 97605), (241, 78570), (270, 70131), (291, 65070), (405, 46754), (482, 39285), (485, 39042), (582, 32535), (723, 26190), (810, 23377), (873, 21690), (970, 19521), (1205, 15714), (1446, 13095), (1455, 13014), (1746, 10845), (2169, 8730), (2410, 7857), (2619, 7230), (2910, 6507), (3615, 5238), (4338, 4365)]