19775340

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 67206048

約数和(自身を除く): 47430708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 313, 324, 351, 390, 405, 468, 486, 540, 585, 626, 702, 780, 810, 939, 972, 1053, 1170, 1215, 1252, 1404, 1565, 1620, 1755, 1878, 2106, 2340, 2430, 2817, 3130, 3159, 3510, 3756, 4069, 4212, 4695, 4860, 5265, 5634, 6260, 6318, 7020, 8138, 8451, 9390, 10530, 11268, 12207, 12636, 14085, 15795, 16276, 16902, 18780, 20345, 21060, 24414, 25353, 28170, 31590, 33804, 36621, 40690, 42255, 48828, 50706, 56340, 61035, 63180, 73242, 76059, 81380, 84510, 101412, 109863, 122070, 126765, 146484, 152118, 169020, 183105, 219726, 244140, 253530, 304236, 329589, 366210, 380295, 439452, 507060, 549315, 659178, 732420, 760590, 988767, 1098630, 1318356, 1521180, 1647945, 1977534, 2197260, 3295890, 3955068, 4943835, 6591780, 9887670, 19775340]

約数ペア:

[(1, 19775340), (2, 9887670), (3, 6591780), (4, 4943835), (5, 3955068), (6, 3295890), (9, 2197260), (10, 1977534), (12, 1647945), (13, 1521180), (15, 1318356), (18, 1098630), (20, 988767), (26, 760590), (27, 732420), (30, 659178), (36, 549315), (39, 507060), (45, 439452), (52, 380295), (54, 366210), (60, 329589), (65, 304236), (78, 253530), (81, 244140), (90, 219726), (108, 183105), (117, 169020), (130, 152118), (135, 146484), (156, 126765), (162, 122070), (180, 109863), (195, 101412), (234, 84510), (243, 81380), (260, 76059), (270, 73242), (313, 63180), (324, 61035), (351, 56340), (390, 50706), (405, 48828), (468, 42255), (486, 40690), (540, 36621), (585, 33804), (626, 31590), (702, 28170), (780, 25353), (810, 24414), (939, 21060), (972, 20345), (1053, 18780), (1170, 16902), (1215, 16276), (1252, 15795), (1404, 14085), (1565, 12636), (1620, 12207), (1755, 11268), (1878, 10530), (2106, 9390), (2340, 8451), (2430, 8138), (2817, 7020), (3130, 6318), (3159, 6260), (3510, 5634), (3756, 5265), (4069, 4860), (4212, 4695)]