19550336

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 43411200

約数和(自身を除く): 23860864

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 379, 403, 416, 496, 758, 806, 832, 992, 1516, 1612, 1664, 1984, 3032, 3224, 3968, 4927, 6064, 6448, 9854, 11749, 12128, 12896, 19708, 23498, 24256, 25792, 39416, 46996, 48512, 51584, 78832, 93992, 152737, 157664, 187984, 305474, 315328, 375968, 610948, 630656, 751936, 1221896, 1503872, 2443792, 4887584, 9775168, 19550336]

約数ペア:

[(1, 19550336), (2, 9775168), (4, 4887584), (8, 2443792), (13, 1503872), (16, 1221896), (26, 751936), (31, 630656), (32, 610948), (52, 375968), (62, 315328), (64, 305474), (104, 187984), (124, 157664), (128, 152737), (208, 93992), (248, 78832), (379, 51584), (403, 48512), (416, 46996), (496, 39416), (758, 25792), (806, 24256), (832, 23498), (992, 19708), (1516, 12896), (1612, 12128), (1664, 11749), (1984, 9854), (3032, 6448), (3224, 6064), (3968, 4927)]