18563220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7933}}^1$

素因数の和:7961

約数の個数: 72

約数和(自身を含む): 60647496

約数和(自身を除く): 42084276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7933, 15866, 23799, 31732, 39665, 47598, 71397, 79330, 95196, 103129, 118995, 142794, 158660, 206258, 237990, 285588, 309387, 356985, 412516, 475980, 515645, 618774, 713970, 928161, 1031290, 1237548, 1427940, 1546935, 1856322, 2062580, 3093870, 3712644, 4640805, 6187740, 9281610, 18563220]

約数ペア:

[(1, 18563220), (2, 9281610), (3, 6187740), (4, 4640805), (5, 3712644), (6, 3093870), (9, 2062580), (10, 1856322), (12, 1546935), (13, 1427940), (15, 1237548), (18, 1031290), (20, 928161), (26, 713970), (30, 618774), (36, 515645), (39, 475980), (45, 412516), (52, 356985), (60, 309387), (65, 285588), (78, 237990), (90, 206258), (117, 158660), (130, 142794), (156, 118995), (180, 103129), (195, 95196), (234, 79330), (260, 71397), (390, 47598), (468, 39665), (585, 31732), (780, 23799), (1170, 15866), (2340, 7933)]