19769958

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 72

約数和(自身を含む): 47560968

約数和(自身を除く): 27791010

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 67, 78, 97, 117, 134, 169, 194, 201, 234, 291, 338, 402, 507, 582, 603, 871, 873, 1014, 1206, 1261, 1521, 1742, 1746, 2522, 2613, 3042, 3783, 5226, 6499, 7566, 7839, 11323, 11349, 12998, 15678, 16393, 19497, 22646, 22698, 32786, 33969, 38994, 49179, 58491, 67938, 84487, 98358, 101907, 116982, 147537, 168974, 203814, 253461, 295074, 506922, 760383, 1098331, 1520766, 2196662, 3294993, 6589986, 9884979, 19769958]

約数ペア:

[(1, 19769958), (2, 9884979), (3, 6589986), (6, 3294993), (9, 2196662), (13, 1520766), (18, 1098331), (26, 760383), (39, 506922), (67, 295074), (78, 253461), (97, 203814), (117, 168974), (134, 147537), (169, 116982), (194, 101907), (201, 98358), (234, 84487), (291, 67938), (338, 58491), (402, 49179), (507, 38994), (582, 33969), (603, 32786), (871, 22698), (873, 22646), (1014, 19497), (1206, 16393), (1261, 15678), (1521, 12998), (1742, 11349), (1746, 11323), (2522, 7839), (2613, 7566), (3042, 6499), (3783, 5226)]