19400724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{461}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 56504448

約数和(自身を除く): 37103724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 167, 252, 334, 461, 501, 668, 922, 1002, 1169, 1383, 1503, 1844, 2004, 2338, 2766, 3006, 3227, 3507, 4149, 4676, 5532, 6012, 6454, 7014, 8298, 9681, 10521, 12908, 14028, 16596, 19362, 21042, 29043, 38724, 42084, 58086, 76987, 116172, 153974, 230961, 307948, 461922, 538909, 692883, 923844, 1077818, 1385766, 1616727, 2155636, 2771532, 3233454, 4850181, 6466908, 9700362, 19400724]

約数ペア:

[(1, 19400724), (2, 9700362), (3, 6466908), (4, 4850181), (6, 3233454), (7, 2771532), (9, 2155636), (12, 1616727), (14, 1385766), (18, 1077818), (21, 923844), (28, 692883), (36, 538909), (42, 461922), (63, 307948), (84, 230961), (126, 153974), (167, 116172), (252, 76987), (334, 58086), (461, 42084), (501, 38724), (668, 29043), (922, 21042), (1002, 19362), (1169, 16596), (1383, 14028), (1503, 12908), (1844, 10521), (2004, 9681), (2338, 8298), (2766, 7014), (3006, 6454), (3227, 6012), (3507, 5532), (4149, 4676)]