19728462

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 25429938

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 41, 62, 78, 82, 93, 123, 186, 199, 246, 398, 403, 533, 597, 806, 1066, 1194, 1209, 1271, 1599, 2418, 2542, 2587, 3198, 3813, 5174, 6169, 7626, 7761, 8159, 12338, 15522, 16318, 16523, 18507, 24477, 33046, 37014, 48954, 49569, 80197, 99138, 106067, 160394, 212134, 240591, 252929, 318201, 481182, 505858, 636402, 758787, 1517574, 3288077, 6576154, 9864231, 19728462]

約数ペア:

[(1, 19728462), (2, 9864231), (3, 6576154), (6, 3288077), (13, 1517574), (26, 758787), (31, 636402), (39, 505858), (41, 481182), (62, 318201), (78, 252929), (82, 240591), (93, 212134), (123, 160394), (186, 106067), (199, 99138), (246, 80197), (398, 49569), (403, 48954), (533, 37014), (597, 33046), (806, 24477), (1066, 18507), (1194, 16523), (1209, 16318), (1271, 15522), (1599, 12338), (2418, 8159), (2542, 7761), (2587, 7626), (3198, 6169), (3813, 5174)]