18773928

素因数分解:

$2^3\times 3^2\times {\mathrm{239}}^1\times {\mathrm{1091}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 32331672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 239, 478, 717, 956, 1091, 1434, 1912, 2151, 2182, 2868, 3273, 4302, 4364, 5736, 6546, 8604, 8728, 9819, 13092, 17208, 19638, 26184, 39276, 78552, 260749, 521498, 782247, 1042996, 1564494, 2085992, 2346741, 3128988, 4693482, 6257976, 9386964, 18773928]

約数ペア:

[(1, 18773928), (2, 9386964), (3, 6257976), (4, 4693482), (6, 3128988), (8, 2346741), (9, 2085992), (12, 1564494), (18, 1042996), (24, 782247), (36, 521498), (72, 260749), (239, 78552), (478, 39276), (717, 26184), (956, 19638), (1091, 17208), (1434, 13092), (1912, 9819), (2151, 8728), (2182, 8604), (2868, 6546), (3273, 5736), (4302, 4364)]