18973886147692

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2273}}^1\times {\mathrm{3591871}}^1$

素因数の和:3594238

約数の個数: 48

約数和(自身を含む): 38421881229312

約数和(自身を除く): 19447995081620

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2273, 2324, 4546, 9092, 15911, 31822, 63644, 188659, 377318, 754636, 1320613, 2641226, 3591871, 5282452, 7183742, 14367484, 25143097, 50286194, 100572388, 298125293, 596250586, 1192501172, 2086877051, 4173754102, 8164322783, 8347508204, 16328645566, 32657291132, 57150259481, 114300518962, 228601037924, 677638790989, 1355277581978, 2710555163956, 4743471536923, 9486943073846, 18973886147692]

約数ペア:

[(1, 18973886147692), (2, 9486943073846), (4, 4743471536923), (7, 2710555163956), (14, 1355277581978), (28, 677638790989), (83, 228601037924), (166, 114300518962), (332, 57150259481), (581, 32657291132), (1162, 16328645566), (2273, 8347508204), (2324, 8164322783), (4546, 4173754102), (9092, 2086877051), (15911, 1192501172), (31822, 596250586), (63644, 298125293), (188659, 100572388), (377318, 50286194), (754636, 25143097), (1320613, 14367484), (2641226, 7183742), (3591871, 5282452)]