19789376

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 56

約数和(自身を含む): 41291256

約数和(自身を除く): 21501880

約数列:

[1, 2, 4, 8, 16, 32, 37, 61, 64, 74, 122, 137, 148, 244, 274, 296, 488, 548, 592, 976, 1096, 1184, 1952, 2192, 2257, 2368, 3904, 4384, 4514, 5069, 8357, 8768, 9028, 10138, 16714, 18056, 20276, 33428, 36112, 40552, 66856, 72224, 81104, 133712, 144448, 162208, 267424, 309209, 324416, 534848, 618418, 1236836, 2473672, 4947344, 9894688, 19789376]

約数ペア:

[(1, 19789376), (2, 9894688), (4, 4947344), (8, 2473672), (16, 1236836), (32, 618418), (37, 534848), (61, 324416), (64, 309209), (74, 267424), (122, 162208), (137, 144448), (148, 133712), (244, 81104), (274, 72224), (296, 66856), (488, 40552), (548, 36112), (592, 33428), (976, 20276), (1096, 18056), (1184, 16714), (1952, 10138), (2192, 9028), (2257, 8768), (2368, 8357), (3904, 5069), (4384, 4514)]