16819408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:995

約数の個数: 40

約数和(自身を含む): 34903520

約数和(自身を除く): 18084112

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 907, 976, 1159, 1814, 2318, 3628, 4636, 7256, 9272, 14512, 17233, 18544, 34466, 55327, 68932, 110654, 137864, 221308, 275728, 442616, 885232, 1051213, 2102426, 4204852, 8409704, 16819408]

約数ペア:

[(1, 16819408), (2, 8409704), (4, 4204852), (8, 2102426), (16, 1051213), (19, 885232), (38, 442616), (61, 275728), (76, 221308), (122, 137864), (152, 110654), (244, 68932), (304, 55327), (488, 34466), (907, 18544), (976, 17233), (1159, 14512), (1814, 9272), (2318, 7256), (3628, 4636)]