18702935990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1\times {\mathrm{797}}^1$

素因数の和:1481

約数の個数: 64

約数和(自身を含む): 35398871424

約数和(自身を除く): 16695935434

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 257, 397, 514, 794, 797, 1285, 1594, 1985, 2570, 3970, 3985, 5911, 7970, 9131, 11822, 18262, 18331, 29555, 36662, 45655, 59110, 91310, 91655, 102029, 183310, 204058, 204829, 316409, 409658, 510145, 632818, 1020290, 1024145, 1582045, 2048290, 2346667, 3164090, 4693334, 4711067, 7277407, 9422134, 11733335, 14554814, 23466670, 23555335, 36387035, 47110670, 72774070, 81317113, 162634226, 406585565, 813171130, 1870293599, 3740587198, 9351467995, 18702935990]

約数ペア:

[(1, 18702935990), (2, 9351467995), (5, 3740587198), (10, 1870293599), (23, 813171130), (46, 406585565), (115, 162634226), (230, 81317113), (257, 72774070), (397, 47110670), (514, 36387035), (794, 23555335), (797, 23466670), (1285, 14554814), (1594, 11733335), (1985, 9422134), (2570, 7277407), (3970, 4711067), (3985, 4693334), (5911, 3164090), (7970, 2346667), (9131, 2048290), (11822, 1582045), (18262, 1024145), (18331, 1020290), (29555, 632818), (36662, 510145), (45655, 409658), (59110, 316409), (91310, 204829), (91655, 204058), (102029, 183310)]