19355300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 45205440

約数和(自身を除く): 25850140

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 167, 190, 244, 305, 334, 380, 475, 610, 668, 835, 950, 1159, 1220, 1525, 1670, 1900, 2318, 3050, 3173, 3340, 4175, 4636, 5795, 6100, 6346, 8350, 10187, 11590, 12692, 15865, 16700, 20374, 23180, 28975, 31730, 40748, 50935, 57950, 63460, 79325, 101870, 115900, 158650, 193553, 203740, 254675, 317300, 387106, 509350, 774212, 967765, 1018700, 1935530, 3871060, 4838825, 9677650, 19355300]

約数ペア:

[(1, 19355300), (2, 9677650), (4, 4838825), (5, 3871060), (10, 1935530), (19, 1018700), (20, 967765), (25, 774212), (38, 509350), (50, 387106), (61, 317300), (76, 254675), (95, 203740), (100, 193553), (122, 158650), (167, 115900), (190, 101870), (244, 79325), (305, 63460), (334, 57950), (380, 50935), (475, 40748), (610, 31730), (668, 28975), (835, 23180), (950, 20374), (1159, 16700), (1220, 15865), (1525, 12692), (1670, 11590), (1900, 10187), (2318, 8350), (3050, 6346), (3173, 6100), (3340, 5795), (4175, 4636)]