17823712

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 37310112

約数和(自身を除く): 19486400

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 61, 92, 122, 184, 244, 368, 397, 488, 736, 794, 976, 1403, 1588, 1952, 2806, 3176, 5612, 6352, 9131, 11224, 12704, 18262, 22448, 24217, 36524, 44896, 48434, 73048, 96868, 146096, 193736, 292192, 387472, 556991, 774944, 1113982, 2227964, 4455928, 8911856, 17823712]

約数ペア:

[(1, 17823712), (2, 8911856), (4, 4455928), (8, 2227964), (16, 1113982), (23, 774944), (32, 556991), (46, 387472), (61, 292192), (92, 193736), (122, 146096), (184, 96868), (244, 73048), (368, 48434), (397, 44896), (488, 36524), (736, 24217), (794, 22448), (976, 18262), (1403, 12704), (1588, 11224), (1952, 9131), (2806, 6352), (3176, 5612)]