19912932

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{1091}}^1$

素因数の和:1130

約数の個数: 72

約数和(自身を含む): 55954080

約数和(自身を除く): 36041148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 234, 338, 351, 468, 507, 676, 702, 1014, 1091, 1404, 1521, 2028, 2182, 3042, 3273, 4364, 4563, 6084, 6546, 9126, 9819, 13092, 14183, 18252, 19638, 28366, 29457, 39276, 42549, 56732, 58914, 85098, 117828, 127647, 170196, 184379, 255294, 368758, 382941, 510588, 553137, 737516, 765882, 1106274, 1531764, 1659411, 2212548, 3318822, 4978233, 6637644, 9956466, 19912932]

約数ペア:

[(1, 19912932), (2, 9956466), (3, 6637644), (4, 4978233), (6, 3318822), (9, 2212548), (12, 1659411), (13, 1531764), (18, 1106274), (26, 765882), (27, 737516), (36, 553137), (39, 510588), (52, 382941), (54, 368758), (78, 255294), (108, 184379), (117, 170196), (156, 127647), (169, 117828), (234, 85098), (338, 58914), (351, 56732), (468, 42549), (507, 39276), (676, 29457), (702, 28366), (1014, 19638), (1091, 18252), (1404, 14183), (1521, 13092), (2028, 9819), (2182, 9126), (3042, 6546), (3273, 6084), (4364, 4563)]