19601595

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 40727232

約数和(自身を除く): 21125637

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 73, 81, 85, 117, 135, 153, 195, 219, 221, 243, 255, 351, 365, 405, 459, 585, 657, 663, 765, 949, 1053, 1095, 1105, 1215, 1241, 1377, 1755, 1971, 1989, 2295, 2847, 3159, 3285, 3315, 3723, 4131, 4745, 5265, 5913, 5967, 6205, 6885, 8541, 9855, 9945, 11169, 14235, 15795, 16133, 17739, 17901, 18615, 20655, 25623, 29565, 29835, 33507, 42705, 48399, 53703, 55845, 76869, 80665, 88695, 89505, 100521, 128115, 145197, 167535, 230607, 241995, 268515, 301563, 384345, 435591, 502605, 725985, 1153035, 1306773, 1507815, 2177955, 3920319, 6533865, 19601595]

約数ペア:

[(1, 19601595), (3, 6533865), (5, 3920319), (9, 2177955), (13, 1507815), (15, 1306773), (17, 1153035), (27, 725985), (39, 502605), (45, 435591), (51, 384345), (65, 301563), (73, 268515), (81, 241995), (85, 230607), (117, 167535), (135, 145197), (153, 128115), (195, 100521), (219, 89505), (221, 88695), (243, 80665), (255, 76869), (351, 55845), (365, 53703), (405, 48399), (459, 42705), (585, 33507), (657, 29835), (663, 29565), (765, 25623), (949, 20655), (1053, 18615), (1095, 17901), (1105, 17739), (1215, 16133), (1241, 15795), (1377, 14235), (1755, 11169), (1971, 9945), (1989, 9855), (2295, 8541), (2847, 6885), (3159, 6205), (3285, 5967), (3315, 5913), (3723, 5265), (4131, 4745)]